The answer is a simile. This is because similes compare two things (these things here are his life and the dusty yards) by using like or as (specifically here as).
The other ones don't make sense: nothing is being over exaggerated (hyperbole), there are no repeating consonants (alliteration), and there are no human characteristics being given to inhuman subjects (personification).
I think that the element of the story that is least related tot he author's biographical story is the C. SMELL OF MILDEW IN A VIETNAMESE VILLAGE.
Tim O'brien wrote the story using his personal experiences. He was sent to Vietnam in his tour of duty. He's familiar with the geography of the Vietnamese coastline, he vividly describes the climate and landscape, and he feels the fear that the soldier felt during wartime.
Answer:
Whatever the passage is take it and use details out of it.
Explanation:
Also, start your sentence of with The author did this... to make this novel as accurate as possible. According to the text.....
Logos since it is trying to convince an audience with the use of logic.