Finding of a survey of Systems magazine subscribers: Thirty percent of all merchandise ordersplaced by subscribers in response to advertisements in the magazine last yearwere placed by subscribers under age thirty-five.
Finding of a survey of advertisers in Systemsmagazine: Most of the merchandise ordersplaced in response to advertisements in Systems last year were placed by peopleunder age thirty-five.
For both of the findings to be accurate, which of thefollowing must be true?
(A) More subscribers to Systems who have never orderedmerchandise in response to advertisements in the magazine are age thirty-fiveor over than are under age thirty-five.
(B) Among subscribers to Systems, the proportion who areunder age thirty-five was considerably lower last year than it is now.
(C) Most merchandise orders placed in response toadvertisements in Systems last year were placed by Systems subscribers over agethirty-five.
(D) Last year, the average dollar amount of merchandiseorders placed was less for subscribers under age thirty-five than for those agethirty-five or over.
(E) Last year many people who placed orders formerchandise in response to advertisements in Systems were not subscribers tothe magazine.
思路：A：无关范围More subscribers to Systems who have never ordered merchandise，这种人文中没有出现过。排除!
E：刚好说明response to advertisements in system的人不是response to advertisements in magazines的人，与我们的推测一致。正确答案。