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题库 / Prep2007E1-SC-134
Among lower-paid workers, union members are less likely than nonunion members to be enrolled in lower-end insurance plans imposing stricter limits on medical services and requiring doctors to see more patients, and spend less time with each.
imposing stricter limits on medical services and requiring doctors to see more patients, and spend
imposing stricter limits on medical services, requiring doctors to see more patients, and spending
that impose stricter limits on medical services, require doctors to see more patients, and spend
that impose stricter limits on medical services and require doctors to see more patients, spending
that impose stricter limits on medical services, requiring doctors to see more patients and spending
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AD区分：首先要理解impose和require是同级的，spend是修饰doctor的
A的逗号在and用法不能用于修饰doctor
只有D的这种根据就近原则才可以
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