I think its
A) The poem shows the mixed feelings of a person with mixed heritage, and the essay is from the viewpoint of a writer who identifies only as American Indian.
There are 281 pages in To Kill A Mockingbird :)
The king and queen summoned them to Elsinore in hope they can cheer Hamlet out of his melancholy
I'm stuck between A and C, but I'm leaning towards C because cold calling means to visit a prospect without them knowing