I’m calling, my pany, to thank you again for your generous help.
A. in favor of
B. in honor of
C. in memory of
D. on behalf of
网友回答
A. in favor of
B. in honor of
C. in memory of
(答案→)D. on behalf of
解析：考查介词短语：A. in favor of支持，赞同，B. in honor of为了纪念，为了庆祝，C. in memory of为了纪念，D. on behalf of代表，句意：我代表公司打电话，感谢你的慷慨的帮助。选D。