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.
1. The narrator's nine-year-old daughter, knowing that her father writes war stories, asks him if he has ever killed anyone. The narrator says no but resolves to tell her the truth when she is grown (so yes she might ask the same question when she is older.)
2. because he wants his writing to be heard.
3. because it was his thing to kill anyone he saw, so his body reacted way before he has time to think whether or not he should kill or not. I probably would’ve done the same.
4. he focuses on the deaths because those thoughts aren’t easy to go away.
Answer:
knows all of the thoughts and feelings of all of the characters in the story, or limited, in which the narrator relates only their own thoughts, feelings, and knowledge about various situations and the other characters.