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题库 / GMATLA-CR-21
Five years ago, as part of a plan to encourage citizens of Levaska to increase the amount of money they put into savings, Levaska's government introduced special savings accounts in which up to $3,000 a year can be saved with no tax due on the interest unless money is withdrawn before the account holder reaches the age of sixty-five. Millions of dollars have accumulated in the special accounts, so the government's plan is obviously working.
Which of the following, if true, most seriously weakens the argument?
A substantial number of Levaskans have withdrawn at least some of the money they had invested in the special accounts.
Workers in Levaska who already save money in long-term tax-free accounts that are offered through their workplace cannot take advantage of the special savings accounts introduced by the government.
The rate at which interest earned on money deposited in regular savings accounts is taxed depends on the income bracket of the account holder.
Many Levaskans who already had long-term savings have steadily been transferring those savings into the special accounts.
Many of the economists who now claim that the government's plan has been successful criticized it when it was introduced.
前提:Millions of dollars have accumulated in the special accounts, 结论so the government's plan （to increase the longterm savings）is obviously working.
B项 许多人已经有长期存款账户，不能利用政府的special account。并不符合前提中提到这部分人，所以没能阻止前提推出结论
D项 许多人从自己已有长期存款账户中取钱转移到special account，最终并不能够使得长期存款增加。有果无因
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