Which of these excerpts from mark twain's life on the mississippi best shows twain's subtle sense of humor?
a. the minister's son became an engineer. the doctor's and the postmaster's sons became "mud clerks"; the wholesale liquor dealer's son became a barkeeper on a boat.
b. the pilot, even in those days of trivial wages, had a princely salary—from a hundred and fifty to two hundred and fifty dollars a month, and no board to pay.
c. but when he came home the next week, alive, renowned . . it seemed to us that the partiality of providence for an undeserving reptile had reached a point where it was open to criticism.
d. and the boat is rather a handsome sight, too. she is long and sharp and trim and pretty; she has two tall, fancy-topped chimneys.