It is hoped that you can make some adjustments about the quality of your service the reactions of the customers.A.in return forB.in response toC.in favor ofD.in charge of
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B解析考查固定短语。in return for作为回报；in response to反应，响应；in favor of支持，赞同；in charge of负责，掌管。希望你能对你的服务质量作出改变作为对顾客反映的回应。所以选B。