When I called you this morning nobody answered the phone. Where ?A. did you goB. have yo

问题补充：

When I called you this morning, nobody answered the phone. Where ?

A. did you go

B. have you gone

C. were you

D. had you been

答案：

A. did you go

B. have you gone

(答案→)C. were you

D. had you been

解析：句子的前半句说上午打电话时没有人接电话，而后半句问对方当时在什么地方。显然，句子前后两部分的时间应一致，即用一般过去时。