题目信息
Medicare, the United States government's health insurance program for the elderly and disabled, covers the full cost of home health care, but not with other nonhospital services where 20 percent of the costs must be paid by beneficiaries.
A:but not with other nonhospital services where 20 percent of the costs must be paid by beneficiaries
B:but not of other nonhospital services, making beneficiaries pay 20 percent of the costs
C:but not of other nonhospital services, for which beneficiaries must pay 20 percent of the costs
D:which is unlike other nonhospital services in that 20 percent of the costs must be paid by beneficiaries
E:which is unlike other nonhospital services that make beneficiaries pay 20 percent of the costs
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正确答案：
C:but not of other nonhospital services, for which beneficiaries must pay 20 percent of the costs
考点 平行 动词形式
cost of, but not of...平行，排除ADE；
原句有情态动词must，B选项省略了must语义改变，排除
答案C
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题目来源
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