There are altogether thirty students in our class,is a new comer from a faraway mountain village.There are altogether thirty students in our class,is a new comer from a faraway mountain village.A.the most diligent of who\x05\x05\x05B.but the most dil

There are altogether thirty students in our class,is a new comer from a faraway mountain village.
There are altogether thirty students in our class,is a new comer from a faraway mountain village.
A.the most diligent of who\x05\x05\x05B.but the most diligent of whom
C.the most diligent of them\x05\x05\x05D.of whom the most diligent
这题选D么?为什么不选B呢?

选D 因为作为一个定语从句BUT是不需要的 把BUT加在C项前面也可以

这个考点应该是定语从句。后半句用来修饰our class。这样就不能用but这个连词了