Beijing was attacked by such a terrible sandstorm____few residents had ever experienced before.
问题描述：
Beijing was attacked by such a terrible sandstorm____few residents had ever experienced before.
A.as B.which C.and it was D.that
为什么选A而B不行啊
which代替a terrible sandstorm做experienced的宾语不可以吗？
答
such ····as表示像····一样的,定语从句的先行词被such修饰,关系代词用as.