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题库 / Prep2007E1-SC-82
Each year companies in the United States could save as much as $58 billion annually by preventing illness among employees and gain as much as $200 billion through improving performance of workers if they simply provided offices with cleaner air.
annually by preventing illness among employees and gain as much as $200 billion through improving performance of workers if they simply provided
annually if they prevented employee illness and gain as much as $200 billion through worker performance improved by simply providing
annually in employee illness prevention and gain as much as $200 billion through worker performance improved by simply providing
in employee illness prevention and gain as much as $200 billion through improving performance of workers if they simply provided
by preventing illness among employees and gain as much as $200 billion through improved worker performance if they simply provided
Ron：there are no restrictions on the distance between a pronoun and its antecedent.
个人认为，D选项不能靠就近原则，以they修饰workers为排除理由，因为代词与其指代对象之间并无距离要求，没有所谓的“就近指代”，这里只是有指代歧义的嫌疑。
E选项同样出现了companies和employees两个复数名词，综合比较优于D选项。
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