The book should be given to ______ you think need it most.

问题描述:

The book should be given to ______ you think need it most.
A. whatB. whoever C. whomever D. which

选择B 不能选C ,因为这里you think 是插入语,可以在逻辑上去掉,所以句子就剩下The book should be given to(介词)[ ______ need it most.],括号内为宾语从句,缺少主语,而且指人,所以选择B