单选题 The Wheat Farmers Alliance, a political action committee, attracts 70 percent of its contributors from an advertisement requesting contributions placed only in the September, October, and November issues of the Grange Report, a monthly newsletter for wheat farmers. The president of the Wheat Farmers Alliance, to increase the number of contributors, decides to advertise in each of the monthly issues of the Grange Report. She expects that, as a result of the additional Grange Report advertisements, the number of contributors will be increased to at least double the present number.
Which of the following, if tree, would most strongly support the president's expectation?

A、 The September, October, and November advertisements were noticed by fewer than one-third of those readers of the Grange Report' who would be willing to contribute to the Wheat Farmers Alliance.
B、 Wheat farmers traditionally repay their bank loans in late summer after the winter wheat crop has been harvested and sold.
C、 The majority of the readers of the Grange Report with a great enough interest in the Wheat Farmers Alliance to contribute have already responded to the advertisements.
D、 Most of those who contribute to the Wheat Farmers Alliance in the course of a year do so in response to advertisements in the Grange Report.
E、 (E) The total number of readers of the Grange Report is stable from year to year.

【正确答案】 A

【答案解析】