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?
lawyer_1 说答案是A, 怎么也没明白他解释的意思.
lawyer_1 说答案是A, 怎么也没明白他解释的意思.谁能够帮我把A, 翻译一下呢? 我看不懂啊?? 方框里的如何解释啊??
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