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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.
argument主要关注在解释为什么high success rate 不代表他们是 good fund-raiser/doing a good job
good fund raiser = able to expand the donor base
A; 开发新donor base 的成功率与其他学校哦一样 ，所以即使他们联系过的潜在捐款者成功率比较高( 比如说： 联系100个，80个捐款，其中是个是新捐款者；其他学校联系100个，70个捐款者，其中10个是新捐款者），也不能表示他们是good fund raiser that good a good job.
C : 表示大部分的捐款都是来自之前捐赠过而不曾经过联系的人。但是这不能表示什么，因为本argument重点在成功开发率为主，而大部分的捐款者是过去捐赠过的人并不能表示成功开发率的多少。
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