People were different in those days.However he treated her,my grandfather（ ）my grandmother.

题目

People were different in those days.However he treated her,my grandfather（ ）my grandmother.
A:would never leave
B:would never have left
C:had never left
D:will never have left
正确答案是B
为什么

答案

B因为 he treated her .是过去时my grandfather（ ）my grandmother.这个意思是 我grandfather 永远不会离开 我grandmother .过去时的话,那么 将来的 就必须是过去将来时了,之所以用 have left 因为 强调 我GRANDFAT...