was expected，only five people turned up at the party， disappointed the hostess very much.

was expected，only five people turned up at the party， disappointed the hostess very much.
A. As；which
B. As；that
C. It；that
D. It；which

A. As；whichB. As；thatC. It；thatD. It；which解析：A解析　在非限制性定语从句中，当从句置于句首时，或从句意为“正如……”时，只能用as而不能用which来引导从句。C项和D项中第一空若要用it，则应把前半句改为“It was expected that only five people turned up at the party”此时it作形式主语。第二空是which引导的非限制性定语从句，且在从句中作主语。

对的，就是这个意思