Shortly after my return, I visited the Appointments Office, （） I was interviewed by two courteous, impersonal men.

Shortly after my return, I visited the Appointments Office, （） I was interviewed by two courteous, impersonal men.
A、what
B、whether
C、when
D、where
正确答案：D
解析:词汇与结构部分\大学英语A\结构A\定语从句A