the best answer is B. I and III.
I think that its D but I didn't read the whole passage.
I believe the answer for that is anger/fear. I hope this help! <span />
I believe the answer is A
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.