I've never heard so interesting a story __ you told me.

问题描述:

I've never heard so interesting a story __ you told me.
A as B that C of which D about which
为什么不选that.我们老师讲说that是句子中不缺成分,as是缺成分,这个句子不是定语从句吗?为什么不可以选that啊?

as 这里的意思跟When一样,“当……时”,通常你有不会的,不确定的,就可以把句子翻译一遍,这样方便选择正确答案