——I’d like to book a flight to Shanghai please.——.A. No of course notB. Do you mind if I

问题补充：

——I’d like to book a flight to Shanghai, please.

——.

A. No, of course not

B. Do you mind if I said no?

C. Yes, sir, single or return?

D. You can’t. We are busy

答案：

A. No, of course not

B. Do you mind if I said no?

(答案→)C. Yes, sir, single or return?

D. You can’t. We are busy

解析： 本题考查交际用语。根据句意：——我想订一张到上海航班的机票。——好的，先生，单程还是双程？其它句意与题目不相符合。