(A) More subscribers to Systems who havenever ordered merchandise in response to advertisements in the magazine are age thirty-five or over than are under age thirty-five. -extreme option-
(B) Among subscribers to Systems, the proportion who are under age thirty-five was considerably lower last year than it is now. -argument has never talked about the proportions, so irrelevant-
(C) Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers
...
(B) Among subscribers to Systems, the proportion who are under age thirty-five was considerably lower last year than it is now. -argument has never talked about the proportions, so irrelevant-
(C) Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers
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