I sent invitations to 20 people,——came.A.of whom only 10 of these B.only 10 of these who C.of whom only 10 D.only 10 who 分析下,

问题描述:

I sent invitations to 20 people,——came.
A.of whom only 10 of these B.only 10 of these who
C.of whom only 10 D.only 10 who
分析下,