单选题:Questionsarebasedonthepassageyouhavejustheard. 根据录音,选择合适的答案(

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Questionsarebasedonthepassageyouhavejustheard.
根据录音,选择合适的答案(  )。 A.Cutdownproductioncost.
B.Sellinexpensiveproducts.
C.Specialiseingoldornaments.
D.Refinethetasteofhisgoods.

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