The book ______by him is very interesting.A.are written B.written

问题描述:

The book ______by him is very interesting.A.are written B.written

答案选B.written
过去分词作后置定语,修饰the book
他写的这本书非常有趣。

B written这里做状语修饰book
选A的话应该是That the book are written by him is very interesting

B 。。
过去分词作后置定语的情况。。
意思是 ,这本他写的书非常有趣。。。。。。。

选B
is前面只是一个主语 不可能有系动词的

The book (which is) written by him is very interesting.
他写的那本书很有趣.
The book 主语
(which is) written by him 定语从句
is 谓语
very interesting.表语

选B,不知原因