A 1972 agreement between Canada and the United States reduced the amount of phosphates that municipalities had been allowed to dump into the Great Lakes.
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Areduced the amount of phosphates that municipalities had been allowed to dump
分析该选项
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Breduced the phosphate amount that municipalities had been dumping
分析该选项
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Creduces the phosphate amount municipalities have been allowed to dump
分析该选项
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Dreduced the amount of phosphates that municipalities are allowed to dump
分析该选项
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Ereduces the amount of phosphates allowed for dumping by municipalities
分析该选项
显示答案
正确答案: D