The answer is D. Mitty would rather dream than attend to errands. He's not literally shooting a pistol, so B and C are not the answer. A. can't really be proved with this passage, also he specifies what biscuit he wants.
I would say A, and I think you mentioned Independence, but if you didn't then it is D
A) Man vs nature is your answer
Man (Hale), vs Nature (ice)
hope this helps
It’s very nice maybe try coloring more fully
It shows the idea of racism should be combated
Edit: Pathos, because this picture shows the evilness behind segregation and racism at that time