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) .
The speaker had a specific identity. He was A.H.'s friend and this was the way he mourned him. No one else mourned him with those words. No one else shared the same experiences with A.H. The I may be known to the reader but that doesn't matter. The I is expressing his personal grief in his poems.
What are you talking about, there are no “rhetorical devices”
The correct answer is D - feeling that one is an outsider. Being "marginalized" means being on the margin, far from everybody else, having the feeling that you don't belong anywhere. These people usually feel lonely, rejected, as if they had nobody but themselves in the world.
