The pany has changed some of its working practices plaints and criticism from the customers.
A. in respect to
B. in return for
C. in exchange for
D. in response to
网友回答
A. in respect to
B. in return for
C. in exchange for
(答案→)D. in response to
解析：A关于；B作为…的回报；C交换；D作为…的回应；句义：作为对顾客的抱怨和批评的回应，这家公司已经改变了一些工作方面的做法。根据句义说明ABC三项的语义与上下文的语义不搭配。故D正确。