Rural households have more purchasing power than do urban or suburban households at the same income level, since some of the income urban and suburban households use for food and shelter can be used by rural households for other needs.
Which of the following inferences is best supported by the statement made above?
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AThe average rural household includes more people than does the average urban or suburban household.
分析该选项
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BRural households have lower food and housing costs than do either urban or suburban households.
分析该选项
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CSuburban households generally have more purchasing power than do either rural or urban households.
分析该选项
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DThe median income of urban and suburban households is generally higher than that of rural households.
分析该选项
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EAll three types of households spend more of their income on housing than on all other purchases combined.
分析该选项
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正确答案: B