今天模考的prep题求大神解答！！！！！！

tiankbh

The Iroquois organized their kinship groups into matriarchal clans,of which members traced their descent from a common female ancestor-.
A) of which members
B) with members who
C) members of whom
D) whose members
E) of members who




自己代词这一块有点薄弱，遇到这样的题都看不出，求大神帮忙