I think you could pick both B and D in this situation. You didn't include the passage so I have nothing to go on here except my little knowledge of the story from when I read it.
Answer:
Mainly what the book is about, is To Kill a Mockingbird by Harper Lee centres on Atticus Finch's attempts to prove the innocence of Tom Robinson, a black man who has been wrongly accused of raping a white woman in 1930s Alabama.
Explanation:
sorry but very hard I tried it
I haven't read this essay but imagery is quite easy to find. Imagery is usually exposed by finding explanatory words or words that make is easier to imagine the event in a story. For example, "The sun was shining a fierce red. It was a fire blazing through the sky." Sorry if I can't give you an exact answer but atleast you know what to look for. I hope this helped you.