这是所谓的一道真题，实在是太绕了，大家给看看吧，最好翻译一下，我都看晕了！
我没有正确答案！该题是朋友给我寄的资料中的，该资料由几份cd上已经有的gwd和其他几份试题组成，我估计都是从gwd那边搞来的，等我23号考完了，把他们传上来，不过资料印刷的是在太差了！
Finding of a survey of Systems magazine subscribers: Thirty percent of all merchandise orders placed by subscribers in response to advertisements in the magazine last year were placed by subscribers under age thirty-five.
Finding of a survey of advertisers in Systems magazine: Most of the merchandise orders placed in response to advertisements in System last year were placed by people under age thirty-five.
For both of the findings to be accurate, which of the following must be true?
A. More subscribes to Systems who have never ordered mechandise in response to advertisements in the magazine are age thirty-five or over than are under age thirty-five.
B. Among subscribers to Systems , the proportion who are under age thirty-five was considerably lower last year than it is now.
C. Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age thirty-five.
D. Last year , the average dollar amount of merchandise orders placed was less for subscribers under age thirty-five than for those age thirty-five or over.
E. Last year, many people who placed orders for merchandise in response to advertisements in Systems were not subscribers to the magazine.
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