单选题He wanted to know __

问题补充：

单选题Hewantedtoknow_______A.why he bought the present forB.which room he lived in the hotelC.who he had travelled withD.who has been chosen to be the chairperson

答案：

C解析考查宾语从句。A 项中for应去掉，B 项中少了一个介词in，D 项中时态不一致。故选C。