Some people have been promoting a new herbal mixture as a remedy for the common cold. The mixture contains, among other things, extracts of the plants purple coneflower and goldenseal. A cold sufferer, skeptical of the claim that the mixture is an effective cold remedy, argued, “Suppose that the mixture were an effective cold remedy. Since most people with colds wish to recover quickly, it follows that almost everybody with a cold would be using it. Therefore, since there are many people who have colds but do not use the mixture, it is obviously not effective.”
Each of the following is an assumption required by the skeptical cold sufferer’s argument EXCEPT:
(A)
Enough of the mixture is produced to provide the required doses to almost everybody with a cold. - WRONG. This is valid assumption for it to make passage hold itself. If not the case then mixture being not effective has other reason and that reason is mixture being not available enough.
(B) The mixture
does not have side effects severe enough to make many people who have colds avoid using it. - WRONG. Again like A this gives another reason for all people not using it.
(C) The mixture is powerful enough to prevent almost everybody who uses it from
contracting any further colds. - CORRECT. POE helps. Further colds is irrelevant.
(D) The mixture is
widely enough known that almost everybody with a cold is aware of it. - WRONG. If people don't know about the mixture all might not be using it, thus weakening the claim that the mixture is ineffective.
(E) There are
no effective cold remedies available that many people who have colds
prefer to the mixture. - WRONG. If other solutions are available people might using it, thus weakening the claim that the mixture is ineffective. Like D only.
Answer C.
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