That was the interesting film___ I have seen.A.whose B.that C.which D.what 为什么?

问题描述:

That was the interesting film___ I have seen.A.whose B.that C.which D.what 为什么?
为什么不能选that,而选择which

避免重复
因为主语都有that了 .我是高中老师.有事你说话.