根据《中华人民共和国会计法》的规定，对随意变更会计处理方法的单位，县级以上人民政府财政部门责令限期改正，并可处( )。

A．2000元以上50000元以下的罚款

B．3000元以上50000元以下的罚款

C．4000元以上50000元以下的罚款

D．5000元以上50000元以下的罚款

His business prospered and he became a person of means. Yet, despite his great riches, he gave no arms to the needy and no thanks to his benefactors whose savings （） to his welfare.

A. had contributed

B. contributed

C. were contributed

D. did contribute