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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.
C 选项是错误的，还是回归到好好读句子来理解-- 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. 意思是说 【之前已经捐过款的人捐出的钱】大部分是来自于这些人主动找上门来的（fund-raiser没有主动联系）。但这个并不能影响是否【这次的捐款大部分都是来自而之前已经捐过款的人捐出的钱】，所以是无关选项。如果这个选项做一个变形，改成【这次的全部捐款】大部分来自于以前捐过款的人主动找上门来的。如果是这样的话才证明fund-raiser没有好好工作，是正确选项。
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