The great man a lot society before he died.
A. have contributed;on
B. had contributed;to
C. contributed;at
D. contributes;for
网友回答
A. have contributed;on
(答案→)B. had contributed;to
C. contributed;at
D. contributes;for
解析：本题题意是：“这位伟人生前为社会作出了巨大贡献。”根据从句的时间是过去时判断主句应该用过去完成时。