定语从句You can take any seat ( )is free.

问题描述:

定语从句You can take any seat ( )is free.
You can take any seat is free.
A.in which B.that C.where D.which
答案是D但是不是说不定代词修饰先行词的时候用that么?
总不至于是答案错了

至于,应该是that