Please accept our hearted congratulations the prize you got for your this field.
A. on; contribution on
B. for; contributions on
C. on; contribution to
D. of; contribution to
网友回答
A. on; contribution on
B. for; contributions on
(答案→)C. on; contribution to
D. of; contribution to
解析：可联系答.案.网客服索取。