单选题There are two thousand&nb

问题补充：

单选题Therearetwothousandstudentsinthiscollege,______arefromthecountryside.A.one-third of themB.one-third of whichC.one-third of whomD.one-third in which

答案：

C解析考查定从。先行词是students指人，所以关系代词要用whom；选C。