Had the boy worked harder,he the exams.
A. must have got through
B. could get through
C. ought to get through
D. would have got through
网友回答
A. must have got through
B. could get through
C. ought to get through
(答案→)D. would have got through
解析：本题考查虚拟语气。根据语境表示与过去事实相反，所以选D。