题目内容：

We will remember those day for ever __we spent together in the beautiful countryside.
A when B in which C in that D which

优质解答

D
因为从句中缺少的是spend的宾语,所以只能选D.
C形式不对,AB只能在从句中作状语.
句意：我们永远记得在美丽的乡村度过的日子.