Which of the Following Displays the Informal Fallacy of Appeal

Which of the following displays the informal fallacy of appeal to pity?

A) A man argues that you should believe that he is rich because,if you do not,he will punch you in the face.
B) A classmate concedes a disagreement with you,but only because she believes you are not smart enough to win a debate with her.
C) A student asks a teacher to give him an A in a course because,if he gets anything less,he will not get into medical school.
D) A woman argues that you must be wrong because you are a jerk.