Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.
Mary is talking to her professor in his office. - Professor: “Congratulations on your award.” - Mary: “_______.”
A.I like it that you understand.
B.I do appreciate your supervision.
C.I can't agree more with yours.
D.I feel so sorry for you, professor.