During the 1980s, many family farms across the Midwestern United States faces severe economic hardship due to falling grain prices.
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Afaces severe economic hardship due to falling grain prices
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Bfaces severe economic hardship due to fallen grain prices
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Cfacing severe economic hardship due to falling grain prices
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Dfaced severe economic hardship due to falling grain prices
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Efaced severe economic hardship due to fallen grain prices
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正确答案: D