In marketing their products, drug companies often send gifts to physicians. ... ...

In marketing their products, drug companies often send gifts to physicians. According to a recent survey, most physicians believe that their own choices when prescribing drugs are not influenced by drug companies’ gifts. The same survey indicates that the majority of physicians believe that most other physicians’ prescription choices are influenced by such gifts.

If the survey results are accurate, which one of the following must be true?


(A) Physicians who do not accept gifts from drug companies are less likely to prescribe unnecessary drugs than those who do accept such gifts.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in PT70 (Oct 2013): Logical Reasoning A