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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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逗号ing 不是应该修饰上一句的主语吗 不是union members 吗？
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