Many attend the conference,a brief report ____has been published.A of which B which
问题描述：
Many attend the conference,a brief report ____has been published.A of which B which
答
A 后半句是个定语从句,修饰conference,完整的句子是a brief report of the conference has been published,和主句相同成文是conference,所以被引导词替代,指代物的引导词可以选择that或which,因为有个of,所以不能用that