--- Can you show me Mr. Jaffer’s office, please? --- . But I don’t know if he is
来源：网络
时间：
推荐文章
--- 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 welcome
试题答案
C
解析:
从But看出，前面回答应该是肯定的，“当然可以”。