A flat character is someone is unchanging throughout the story, in other words, the character is Stagnent.
The answer is indeed (B) adverb phrase
Answer:
A,B, and E
Explanation:
Since the story is told in the third person it wants to know what the story would be like in the first person perspective.
I did a 3 second google search for "tim o'brien" and the first thing that came up was the novel he wrote about the vietnam war called "The Things They Carried" written in 1990.