Changing the design of a new product may the risk of its production in the market．
A. bring about
B. e about
C. bring up
D. e up
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(答案→)A. bring about
B. e about
C. bring up
D. e up
解析：A．bring about带来 B．e about发生C．bring up 抚养，提出 D．e up出现；句意：改变新产品的设计可能在市场上会带来这个产品的风险。故选A