What does the dialogue that j. d. salinger used in this excerpt from the catcher in the rye reveal about the speaker? "something like that—a guy getting hit on the head with a rock or something—tickled the pants off ackley. 'you have a d*mn good sense of humor, ackley kid,' i told him. ‘you know that? ' "

a. he is sarcastic
b. he is honest
c. he is confused
d. he is a liar