Many people believe that ________ prison isn't ________ only cure（对策）for lawbreakers.A.a; theB.the; theC.the; aD./; the
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D解析school, prison, hospital等词不能加the表示抽象概念，换句话说，表示这一概念而非某一特定事物时用零冠词，这一点与church, theatre等词相反，the church指教会，须区别对待。类似的还有the potato, the elephant, (invent) the puter等。