GMAT-23-39请教求解思路

sv2000

In Gandania, where the government has a monopoly on tobacco sales, the incidence of smoking-related health problems has risen steadily for the last twenty years.  The health secretary recently proposed a series of laws aimed at curtailing tobacco use in Gandania.  rofits from tobacco sales, however, account for ten percent of Gandania’s annual revenues.  Therefore, Gandania cannot afford to institute the proposed laws. Which of the following, if true, most seriously weakens the argument?

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yangsh

A

williamweizh

前提：烟草导致疾病，烟草占１０％

结论：所以政府不能禁烟草

我一开始想，答案可能是烟草实际没有导致疾病（思路不对，因为题目提到是因为烟草收入比例较高所以不能禁烟）

那么答案就应该和钱有关，所以Ａ对！

sv2000

这题答案应该选A，不过感觉这题怎么归类呢？感觉很少碰到这种类型啊？

steveyangxt

a

yangxiaogang

羊毛出在羊身上，选A