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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special savings accounts in which up to $3,000 a year can be saved with no tax due on the interest unless money is withdrawn before the account holder reaches the age of sixty-five.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A substantial number of Levaskans have withdrawn at least some of the money they had invested in the special accounts.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.
首先argument肯定条件：这个计划有Millions of dollars have accumulated。 说明是special account 有效被使用的情况下，这个计划还是不成功的。
A B都是表明这个special account没有被有效使用。没有有效使用，不足以证明计划不成功，不是根本的削弱。
只有D，肯定了special account有效果，存钱的多了。但是这些存钱的不是新增加的储户，而是从别的储蓄账户转过来的老储户。（从根本上削弱）
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