Question

1. as it is used in paragraph 2, \clue\ most closely means - you answered b. a. an answer that is clearly correct b. a sign that helps solve a puzzle. c. a key that helps open a lock. d. a promise to help others.

Explanation:

The common - usage definition of "clue" is a sign or piece of evidence that helps solve a mystery or puzzle. Option B best matches this general meaning.

Answer:

B. a sign that helps solve a puzzle.