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：考查动词短语辨析。A引起，使…发生；B形成，产生；C抚养，抚育；D出来，发芽；走进；句意：改变新产品的设计也许会给市场上的产品带来危险。根据句意说明A正确。