—This is English Department of Beijing University.—Hi I’m a student in English Department

问题补充：

—This is English Department of Beijing University.

—Hi,I’m a student in English Department.I need to know the foreign professor—Mr.Smith’s email address.

—.I’m sorry,Mr.Smith does not have an email address in our system.

A. Just a minute

B. I see

C. At your service

D. It’s you 

答案：

(答案→)A. Just a minute

B. I see

C. At your service

D. It’s you 

解析：这是打电话用语，因为接线员不知道Mr.Smith的e-mail，要在系统内查找所以A项“请稍等”正确。