--- Can you show me Mr. Jaffer’s office, please?
--- . But I don’t know if he is in at the moment.
A. Thanks
B. Go on
C. Sure
D. You are wele
网友回答
A. Thanks
B. Go on
(答案→)C. Sure
D. You are wele
解析：题意是“你能告诉我Mr. Jaffer的办公室吗？当然，不过我不知道他此刻是否在办公室”。只有sure符合题意。