Prof.Zhang handed out the papers to all the students,except__who had already taken them.

题目

Prof.Zhang handed out the papers to all the students,except__who had already taken them.
A.these B.ones C.the ones D.the others
为什么选C,其他为什么不能选,希望解释清楚一点,

答案

整句的翻译是"张教授把纸分发给了所有的同学,除了那些已经拿过的"
the ones=the students.后面带了个定语从句,应是特指那些已经拿了书了学生.