Mark the letter A, B, C, or D on...

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
Mary is talking to a porter in the hotel lobby.
- Porter: "Shall I help you with your suitcase?” - Mary: “…………”

A. Not a chance.

B. That‟s very kind of you.

C. I can‟t agree more.

D. What a pity!