题目内容：

---Must I give the letter to the manager?---No,you may give it to----you think is on duty in the office.
A whomever B,no matter who C,whoever,D that

优质解答

A whomever 宾格做介词to 的宾语
希望我的回答能对你有帮助
如果还有问题,可以问我,^_^