6.Advertisment: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 advertisment's argument?

A Some competing brands of painkiller are intended to reduce other kinds og pain in addition to sinus pain.

B Many hospital that do not usually use Novex will do so for those patients who cannot tolerate the drug the hospitals usually use.

C many drug manufactures increase sales of their products to hospitals by selling these products to the hospitals at the lowest price the manufactures can offord.

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 more effective than competing brands of painkillers that have been on the market longer than Novex.

ans

有些疑问，我认为文章指的四分之三的医院给病人开Novex，暗含着有处方了，答案中讨论无处方的情况我认为是无关的，从总体上看，我觉得反而是C能够说明问题，正式NOVEX厂商低价卖给医院，医院对于SINUS PAIN的药只有NOVEX，当然开NOVEX了。

C关乎价格，题问效果，C属无关选项。

看了答案，我想D是正确的。

请指正，谢谢。