A March 2000 Census Bureau survey showed that Mexico accounted for more than a quarter of all foreign-born residents of the United States, the largest share for any country to contribute since 1890, when about 30 percent of the country's foreign-born population was from Germany.
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Athe largest share for any country to contribute
分析该选项
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Bthe largest share that any country has contributed
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Cwhich makes it the largest share for any country to contribute
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Dhaving the largest share to be contributed by any country
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Ehaving the largest share to have been contributed by any country
分析该选项