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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.
P：s大学的fund raisers成功率80%但是并不意味着他们做的很好，因为他们总是联系有捐助过的人。
C：反之，好的raisers会尝试吸引新的客户，所以这个（80%成功率）显示他们不充分的canvass。
增强：s大学的fund raisers在跟这些没有捐助历史的人联系的频率与其他大学一样。意思就是说s大学也总是联系以前联系过的人。这里要注意一下exceptionally high for university fund-raisers这个句子，是说很多大学都是这样。
C选项中说了这些fund raisers之前并没有联系过这些陌生人，所以实际与原文结论并没有什么关系。
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