GMAT Sentence Correction (SC) | Medicare, the United States governments health insurance

CorrectC

"Medicare, <modifier>, covers full costof A, butnot of , for which ..."
- Correct ||ism
- 20% for nonhospital service, sofor which appropriately states the relation

Problem withB

"Medicare, <modifier>, covers full costof A, butnot of , <participial phrase>"

- "..making beneficiaries.." is aparticipial phrase [not an absolute phrase] referring to subjectMedicare . Medicare as a whole does not make anyone pay 20%.
...

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