Do you want a friend to you could tell everything?A. whoB. whomC. whichD. that

问题补充：

Do you want a friend to you could tell everything?

A. who

B. whom

C. which

D. that

答案：

A. who

(答案→)B. whom

C. which

D. that

解析：考查定语从句。本定语从句的先行词是a friend，定语从句中的主语是you,谓语动词是tell,固定词组tell sth to sb告诉某人某事；本题把to提前，whom指代a friend作为to的宾语。句意：你想要一个你可以把所有事情都告诉他的朋友吗？故B正确。