26.They asked me to have a drink with them.I said that it was at least ten years since I ______ a go

题目

26.They asked me to have a drink with them.I said that it was at least ten years since I ______ a good drink.
A.had enjoyed B.was enjoying C.enjoyed D.had been enjoying
请解释原因,

答案

A had enjoyed
语境本身就是过去时了,那表示在过去时之前的一段时间没做过某事,应该用过去时之前的过去完成时,had enjoyed.：）