题目内容：

She was very interested in _____I had told her.
A.all B.which C.all which D.that
可是为什么不能选B啊?

优质解答

因为which指代什么呢?前面没有名词,不能用which.
all这里就是我赶兴趣的东西,就是等于名词,i had told her修饰all
不选C是因为都all,那就不能用which了,只能说..in all that ...