The simple predicate in a sentence is the main action word. In this case, it is "live."
A simile is a comparison of one thing to another, for example "smart as a fox".
The only comparison to something else that I find in the lines above is "like the rusty latch" - and this is a simile. The correct answer is then a) .
Answer: The Death of the Ball Turret Gunner is a poem that is told as a flashback.
Explanation: Ball Turret Gunner is a veteran, recounting his real feelings on the subject of war