—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
C. whoever
D. whomever
解析：C
解析 句中有介词to，可知空格处引导宾语从句。空格后的I think可看作插入语，句子缺少主语，用whoever，表示“任何……的人”。who没有这种意思；whomever在句中作宾语。