---- How did you deal with the order?
---- I handed it to I think is in charge of sales.
A. who
B. when
C. whoever
D. whomever
网友回答
A. who
B. when
(答案→)C. whoever
D. whomever
解析：考查名词性从句。hand sth. to sb.“把某物交给某人”。to后是宾语从句，从句缺少主语，whoever“无论是谁”，不特指某个人。故选C。