I think the answer is (D)
Answer: puzzle adj
Crouch down in fear, cringe, verb
consider or think of (someone or something) in a specified way, consider, verb
in a way that expresses dry, especially mocking, humor, adj.
in a formal and dignified manner, adverb
Explanation:
The awnser is A. Hope this helps
Answer:
Authors often use MENTAL activity to develop the plot of a psychological suspense
Explanation:
hope this helps