Question

He is always telling the director how to run the business, _________ is like teaching one's grandmother how to suck eggs

1. A.
   that
2. B.
   which
3. C.
   what
4. D.
   as

Answer 1

B
试题分析:考查定语从句。由结构可知此处是非限制性定语从句，从句缺少主语，故答案选B。句意：他总是告诉主管如何去经营公司，这简直就是班门弄斧。
考点：考查定语从句。