In contrast to environmentalists' proposals to limit emissions of certain pollutants, the administration proposed calling for mandatory restrictions of only three such pollutants from power plants-mercury, sulfur dioxide, and nitrogen oxides-and the plan would delay such cuts until 2010 or later.
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Aadministration proposed calling for mandatory restrictions of
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Badministration proposed a call for mandatory restrictions, including those for
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Cadministration, proposing mandatory restrictions on
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Dadministration's proposal was a call for mandatory restrictions, which include
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Eadministration's proposal would call for mandatory restrictions on
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正确答案: E