【GMAT考满分逻辑CR题库】Hardin argued that grazing land held in common (th_真题_答案

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Hardin argued that grazing land held in common (that is, open to any user) would always be used less carefully than private grazing land. Each rancher would be tempted to over use common land because the benefits would accrue to the individual, while the costs of reduced land quality that results from overuse would be spread among all users. But a study comparing 217 million acres of common grazing land with 433 million acres of private grazing land showed that the common land was in better condition.

The answer to which of the following questions would be most useful in evaluating the significance, in relation to Hardin's claim, of the study described above?

ADid any of the ranchers whose land was studied use both common and private land? 分析该选项
BDid the ranchers whose land was studied tend to prefer using common land over using private land for grazing? 分析该选项
CWas the private land that was studied of comparable quality to the common land before either was used for grazing? 分析该选项
DWere the users of the common land that was studied at least as prosperous as the users of the private land? 分析该选项
EWere there any owners of herds who used only common land, and no private land, for grazing? 分析该选项

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正确答案: C

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