Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.
Hung: "How nice! You sang so beautifully!" - Giang:" _____________ ."
A. Thank you. I am exhausted.
B. Thank you. But I am busy.
C. Thank you. But I am not so sure.
D. Thank you. It’s very encouraging.