[讨论]迷失的谓语

在下认为本道语法题没有谓语

The Kwakiutl recognized one social unit larger than the tribe--the confederacy, which was a cluster
of loosely knit, informally related neighboring tribes who interacted with themselves more often than
between other tribes.
(A) tribes who interacted with themselves more often than between
(B) tribes who interacted among each other more often than among
(C) tribes who interacted with one another more often than with
(D) tribes, interacting among each other more often than between
(E) tribes, interacting among one another more often than with

A. With themselves和between other tribes之间不平行
B. Interact要求与with搭配
C. 正确
D. Among each other与between other tribes不平行；interact要求搭配with
E. Among one another与with other tribes不平行；interact要求搭配with