Can you tell me the difference _______ them?

问题描述:

Can you tell me the difference _______ them?
A.between B.of C.among
要正确答案,请说明为什麽

.between 用于2者的
of 应该有固定搭配,如in the front of ,还有“.的的意思”
.among 很多之间如:I do a survey among 300students