The correct answer is Option (3) - D only
- Vigilant means being alert, attentive, and watchful, especially to avoid danger or problems.
- Watchful is a synonym that conveys the same meaning of being observant and cautious.
OTHER OPTIONS
- A. Smart → Means clever or intelligent but does not relate to being alert.
- B. Intelligence → Refers to the ability to think and understand, not to the act of being watchful.
- C. Ambitious → Means having a strong desire for success or achievement, unrelated to vigilance.
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