Easy. The ban only affects existing drugs' price, banning their increase. However, it has no power over the price of NEW drug introduced into the market after the ban. If more new drugs come to the market, the premium still rises. A points out this possibility.
这个就是所谓的切断两个矛盾体之间的关系，prohibite the price和increase by a substantial precentage矛盾，因此要选一个选项切断这两个之间的关系，而A选项中 on new drugs显然能够做到这个，所以对喽~~而C选项看似有道理，但实则是与题目无关的无关选项
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发表于 2011-3-1 16:51:47
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