—Did you enjoy meeting your old schoolmates at the party last week?—Yes I did. We each o

问题补充：

—Did you enjoy meeting your old schoolmates at the party last week?

—Yes, I did. We each other since we graduated from college.

A. haven seen

B. didn see

C. hadn seen

D. wouldn see

答案：

A. haven seen

B. didn see

(答案→)C. hadn seen

D. wouldn see

解析：C考查动词的时态。句意：“上周你在聚会上与老同学玩得开心吗？”“开心。自从大学毕业后我们就没有见过面。”答语中的since引导一个时间状语从句，同时结合句意可知，“没有见面”这一动作发生在过去的过去，故用过去完成时。