题目

请教一道GMAT逻辑题,这题为什么选C啊?麻烦谁给我解释下每个选项哦!
Advertisement:For sinus pain,three out of four hospitals give their patients Novex.So when you want the most effective painkiller for sinus pain,Novex is the one to choose.
Which of the following,if true,most seriously undermines the advertisement's argument?
A.Some competing brands of painkillers are intended to reduce other kinds of pain in addition to sinus pain.
B.Many hospitals that do not usually use Novex will do so for those patients who cannot tolerate the drug the hospitals usually use.
C.Many drug manufacturers increase sales of their products to hospitals by selling these products to the hospitals at the lowest price the manufacturers can afford.
D.Unlike some competing brands of painkillers,Novex is available from pharmacies without a doctor's prescription.
E.In clinical trials Novex has been found to be more effective than competing brands of painkillers that have been on the market longer than Novex.

提问时间：2021-05-04

答案

原文说四分三的的医生给S病人N这个药 所以什么药最有效N就是其中之一 问反驳A一些竞争品牌的药打算减少其他疼痛除了S 这一点关系也没有啊 减少其他疼痛和原文有什么关系B许多医院很少用N的用N因为病人无法忍受他们常...