This is a book （ ） is writen by guojingming.

题目

This is a book （ ） is writen by guojingming.
选项 A who B what C that D /

答案

用that.
其实可以省略that,但是后面就不能有is了.
前面的who不对因为书不是人.
What么,这个,想想也不对了