Question

______excited us greatly was that the Chinese team defeated their Egyptian team on Friday evening with 3-0.

1. A.
   What
2. B.
   That
3. C.
   It
4. D.
   Which

Answer 1

A
what引导的主语从句，what在句中做主语；was后面是表语从句。若把was去掉，则选C选，it 作形式主语,代替后面真正的主语 that引导的从句。