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题库 / GMATLA-CR-64
In each of the past five years, Barraland's prison population has increased. Yet, according to official government statistics, for none of those years has there been either an increase in the number of criminal cases brought to trial, or an increase in the rate at which convictions have been obtained. Clearly, therefore, the percentage of people convicted of crimes who are being given prison sentences is on the increase.
Which of the following, if true, most seriously weakens the argument?
In Barraland the range of punishments that can be imposed instead of a prison sentence is wide.
Over the last ten years, overcrowding in the prisons of Barraland has essentially been eliminated as a result of an ambitious program of prison construction.
Ten years ago, Barraland reformed its criminal justice system, imposing longer minimum sentences for those crimes for which a prison sentence had long been mandatory.
Barraland has been supervising convicts on parole more closely in recent years, with the result that parole violations have become significantly less frequent.
The number of people in Barraland who feel that crime is on the increase is significantly greater now than it was five years ago.
说B地方的监狱过去五年人数都在上升，但是过去五年的到法庭裁决的罪案数目和定罪的数目都没增加，作者于是作出结论说那肯定是被宣判入狱的人数在上升了
答案C 由于10年之前的一项法案 把最低入狱年限增加了。 （所以逻辑就是监狱里只进不出 人数自然多了）
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