I’m calling, ______my pany, to thank you again for your generous helpA.in favor ofB.in honor ofC.in memory ofD.on behalf of
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D解析试题分析：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。考点：考查介词短语