题目内容：

was it in the library he often reads books she met him
a that,that b where,that
c which,where d that,where
有说明
was it in the library_____ he often reads books ____she met him

优质解答

b.,
was it in the library where he often reads books that she met him.
这是强调句加定语从句.where he often reads books 是修饰the library的定语从句.
把was it和that以及定语从句,疑问意思去掉后,句子变为 she met him in the library.就是一个简单的主谓宾+地点状语了.