There is somebody waiting for you I think might be one of your classmates.A. whoB. whomC

问题补充：

There is somebody waiting for you, I think might be one of your classmates.

A. who

B. whom

C. which

D. whoever

答案：

(答案→)A. who

B. whom

C. which

D. whoever

解析：本题考查定语从句。先行词为somebody，从句中缺少主语，故用关系代词who。I think为从句中的插入语。