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
*

选项

答案F

解析 句中用的lie in是个动词短语,意为“在于……”,经济学家得出的结论是食品价格上涨的原因在于方便食品越来越受到青睐。
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