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 manu-

facturers 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 more

effective than competing brands of painkillers

that have been on the market longer than

Novex.

答案居然是D，郁闷呀。。。

I choose B.

B gives a fact that hospital use Novex not becasue its effectiveness.