jackwishesthathe填空businessinsteadofhistorywhenhewasinuniversitya:hadstudiedb:studyc:studiedd:hadbeenstudying可是答案给的是D啊我也选得是A

问题：jackwishesthathe填空businessinsteadofhistorywhenhewasinuniversitya:hadstudiedb:studyc:studiedd:hadbeenstudying可是答案给的是D啊我也选得是A

答案：↓↓↓

方亭的回答：

网友采纳　　选a　　此句为虚拟语气,与过去相反用过去完成时　　译为：Jack希望在大学学习商务而不是历史