--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’t seen
B. didn’t see
C. hadn’t seen
D. wouldn’t see
网友回答
A. haven’t seen
B. didn’t see
(答案→)C. hadn’t seen
D. wouldn’t see
解析：考查时态：句意：--上个星期在聚会上和老同学见面高兴吗？--是的，自从毕业我们一直没有见面。可知没有见面是从毕业到上个星期为止，是过去到过去的动作，用过去完成时。选C。