Suriland cannot both export wheat and keep bread plentiful and affordable in Suriland. Accordingly, Suriland's wheat farmers are required to sell their crop to the government, whichpays them a dollar per bushel less than the price on the world market. Therefore, if the farmers could sell their wheat on the world market, they would make a dollar per bushel more, less any additional transportation and brokerage costs they would have to pay.
Which of the following, if true, most seriously weakens the argument?
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ASuriland's wheat farmers have higher production costs than do farmers in many other wheat- producing countries.
分析该选项
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BSale of a substantial proportion of Suriland's wheat crop on the world market would probably depress the price of wheat.
分析该选项
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CThe transportation and brokerage costs that Suriland's farmers would face if they sold their wheat outside Suriland could amount to almost a dollar per bushel.
分析该选项
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DSuriland is surrounded by countries that do not import any wheat.
分析该选项
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EThe price of a bushel of wheat on the world market occasionally drops below the average cost of producing a bushel of wheat in Suriland.
分析该选项
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正确答案: B