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题库 / GMATLA-CR-3
Smithtown University's fund-raisers succeeded in getting donations from 80 percent of the potential donors they contacted. This success rate, exceptionally high for university fund-raisers, does not indicate that they were doing a good job. On the contrary, since the people most likely to donate are those who have donated in the past, good fund-raisers constantly try less-likely prospects in an effort to expand the donor base. The high success rate shows insufficient canvassing effort.
Which of the following, if true, provides more support for the argument?
Smithtown University's fund-raisers were successful in their contacts with potential donors who had never given before about as frequently as were fund-raisers for other universities in their contacts with such people.
This year the average size of the donations to Smithtown University from new donors when the university's fund-raisers had contacted was larger than the average size of donations from donors who had given to the university before.
This year most of the donations that came to Smithtown University from people who had previously donated to it were made without the university's fund-raisers having made any contact with the donors.
The majority of the donations that fund-raisers succeeded in getting for Smithtown University this year were from donors who had never given to the university before.
More than half of the money raised by Smithtown University's fund-raisers came from donors who had never previously donated to the university.
果因推理：
果：募捐到的金额exceptionally high
因：只找了老人，没有努力找新人。
A：正确。A选项的意思是，和其他学校相比，S学校从新人那里得到募捐的成功率是相同的（as frequently as ），但是实际结果是得到了exceptionally high 的金额。所以肯定更多找了老人。增强。
B：讨论了钱数量更多，但捐的钱多，不代表捐的人多（比如：AB两个班，A班人捐款1000，B班十人捐款10块）
C：讨论的是从未被联系过的人的捐款，而题干中无论新人老人都是被联系过的人。无关
ED选项和B一样讨论的是钱数量的问题，无关，排除。
而且即使DE选型有关，也是增强了推理，仍然排除。
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