Robert wishes that he business instead of history when he was in university.
A. studies
B. studied
C. has studied
D. had studied
网友回答
A. studies
B. studied
C. has studied
(答案→)D. had studied
解析：因为wish后的宾语从句中的谓语动词要用过去式，此题的study business是与过去事实相反的情况，所以用had studied business。