A.I. Explanation:

Correct answer: put down

Explanation: The phrase 'put down' fits grammatically as a phrasal verb that conveys the idea of attributing a lack of confidence to shyness. It aligns with the context of discussing self-perception and confidence issues.

Meaning: 'Put down' means to attribute or assign a reason to something, in this case, a lack of confidence being attributed to shyness.

Wrong options:

• pulled up: 'Pulled up' is a phrasal verb that typically means to stop or to reprimand, which does not fit the context of attributing a reason for a lack of confidence.
• tremendous: 'Tremendous' is an adjective meaning very large or great, which does not relate to the context of explaining a lack of confidence.
• demount: 'Demount' is a verb meaning to remove or take down, which does not fit the context of discussing confidence or shyness.
• pernicious: 'Pernicious' is an adjective meaning having a harmful effect, which does not fit as it does not convey the idea of attributing a reason.
• sufficient: 'Sufficient' is an adjective meaning adequate or enough, which does not relate to the context of explaining a lack of confidence.

Correct answer: pernicious

Explanation: The word 'pernicious' fits contextually as it describes something that is harmful, which aligns with the idea of underlying issues beneath shyness. It also maintains grammatical coherence as an adjective modifying the noun that follows.

Meaning: 'Pernicious' means having a harmful effect, especially in a gradual or subtle way.

Wrong options:

• put down: 'Put down' is a phrasal verb that does not fit as it does not describe a quality or characteristic of something harmful.
• question: 'Question' is a verb that does not fit as it does not describe an adjective or characteristic related to shyness.
• tremendous: 'Tremendous' is an adjective meaning very large or great, which does not convey the harmful nature of underlying issues.
• sufficient: 'Sufficient' is an adjective meaning adequate, which does not fit the context of describing something harmful or surprising.
• demount: 'Demount' is a verb meaning to remove or take down, which does not fit the context of describing a quality.

Correct answer: sufficient

Explanation: The word 'sufficient' fits grammatically as an adjective that describes the noun 'reasons.' It aligns with the context of discussing the adequacy of reasons that others might have to dislike us.

Meaning: 'Sufficient' means adequate or enough, indicating that there are enough reasons for others to have negative feelings.

Wrong options:

• put down: 'Put down' is a phrasal verb that does not fit as it does not describe the quantity or adequacy of reasons.
• tremendous: 'Tremendous' is an adjective meaning very large or great, which does not fit the context of adequacy in reasons.
• question: 'Question' is a verb that does not fit as it does not describe the nature of reasons.
• demount: 'Demount' is a verb meaning to remove or take down, which does not relate to the context of discussing reasons.
• pernicious: 'Pernicious' is an adjective meaning harmful, which does not fit as it does not describe the adequacy of reasons.

Correct answer: question

Explanation: The word 'question' fits grammatically as a verb that indicates the action of doubting or challenging our motives. It aligns with the context of discussing how others perceive us.

Meaning: 'Question' means to doubt or challenge something, in this case, our motives.

Wrong options:

• put down: 'Put down' is a phrasal verb that does not fit as it does not convey the action of doubting or challenging motives.
• tremendous: 'Tremendous' is an adjective meaning very large or great, which does not fit the context of questioning motives.
• demount: 'Demount' is a verb meaning to remove or take down, which does not relate to the context of questioning motives.
• sufficient: 'Sufficient' is an adjective meaning adequate, which does not fit as it does not convey an action related to motives.
• pernicious: 'Pernicious' is an adjective meaning harmful, which does not fit as it does not describe an action.