Answer:
C)The man—right in the middle of the crowded train—began to clip his long, yellow fingernails. He did it slowly, as if he didn't even care that a dozen other people could see and hear him.
Step-by-step explanation:
The narrator is criticizing the fact that the man is clipping his fingernails in the middle of a crowded train, his fingernails are long and yellow, and that he doesn't care that a dozen other people can see and hear him.
A is more observant, B more sad, and D more analytical