B, because she wanted his trust
I believe the answer is C) frightened. A participle is a word formed from a verb, and used an an adjective or a noun. Since frightened and climbed are both verbs, that narrows it down to either C or D. From there, frightened is an adjective, while climbed is nor an adjective or a verb.
C.The shifting meter emphasizes the erratic behavior of the birds.
The memory of the event would never be forgotten
