—Did Alan enjoy seeing his old friends yesterday? ?
—Yes, he did．He his old friends for a long time．
A. didn’t see
B. hadn’t seen
C. hasn’t seen
D. wouldn’t see
网友回答
A. didn’t see
(答案→)B. hadn’t seen
C. hasn’t seen
D. wouldn’t see
解析：考查时态。句意：昨天阿兰喜欢看见她的老朋友吗?——是的。她已经有好久不见她的老朋友了。结合语境可知下文描述的是过去某时已完成的动作，故用过去完成时态。选B。