This story happened _______ the last few years. A. at B. since C. during D. for
问题描述：
This story happened _______ the last few years.
A. at B. since C. during D. for
答
c
答
C吧
在过去这些年中发生的
since、for要用完成时态 而且since后跟具体时间点
happen是不可持续的动词 也不能用完成时态
at需要具体时间点