They put forward a lot of plans at the meeting,but none of _______ were carried out in their work.
问题描述：
They put forward a lot of plans at the meeting,but none of _______ were carried out in their work.
A.which B.them
C.what D.that
a b 都可以吧.一个非限制性定语,一个并列句.
为什么有but不是非限制性定语
答
选B,因为两句之间有一个并列连词but,该句是一个并列句 .
如果没有but的话 是非限制性定从 就应该选A了