A The Cost of Convenience B A Surprising Answer Given by the Economists C The Effect of Inflation D Middlemen’s Limited Share in

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问题 A The Cost of Convenience
B A Surprising Answer Given by the Economists
C The Effect of Inflation
D Middlemen’s Limited Share in the Additional Profit
E Farmers’ Denial of Increased Profit
F Housewives’ Need to Find Jobs
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选项

答案A

解析 家庭主妇喜欢省事、方便,喜欢买成品或半成品,这导致了用于食品上的开支的增加。
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