A． urge House Democrats to modify a health care bill
B． explain why a health care bill is necessary to pass
C． call for House Democrats to pass a health care bill
D． clarify the importance of a health care bill

参考答案C

解析:主旨题。本文开篇提出主旨“A message to House Democrats：This is your moment of truth．You can do the fight thing and pass the Senate health care bill．”之后第二段对情况进行说明，接下来的三段分别探讨了三种有关如何通过医改方案的建议，说明为什么它们均不可行。末段呼吁“Ladies and gentlemen，the nation is waiting．Stop whining，and do what needs to be done．”首尾呼应，说明作者写作本文的目的就是呼吁民主党议员们齐心协力，通过医改方案。故[C]为答案。[A]是针对第二段首句设计的干扰项，与主旨无关，排除；本文并未致力于解释为什么一定要通过医改方案和阐明医改方案的重要性，[B]和[D]无依据，排除。
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