How I wish I in medicine instead of history when I was at college!A. had majoredB. should

问题补充：

How I wish I in medicine instead of history when I was at college!

A. had majored

B. should major

C. majored

D. would major

答案：

(答案→)A. had majored

B. should major

C. majored

D. would major

解析：考查wish的虚拟语气。动词wish表示的是一种难以实现的愿望，如果与过去相反从句中使用过去完成时。句意：我多么希望当我在上大学的时候，主修的是医学而不是历史啊！。根据句意说明是与过去事实相反，故A正确。