—Hello,may I have an appointment with the headmaster?
— .
A. Sorry,he is busy at the moment
B. No,you can’t
C. Certainly.Wait a minute,please
D. Let me see
网友回答
(答案→)A. Sorry,he is busy at the moment
B. No,you can’t
C. Certainly.Wait a minute,please
D. Let me see
解析：本题考查交际用语，选项A表示完全同意对方的建议。