Discussion

Which one of the following statements, if true, most seriously undermines the pharmacists’ conclusion?
(A)An inherited condition can cause both weak eyesight and dry eyes.
(B)...
(C)...
(D)...
(E)...
(F)...
*This question is included in Nova Press: Set C - Premise / Conclusion Practice, question #8

The solution is

Posted: 06/09/2013 07:14
Pls explain why is not C thanks in advance.
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Contributor
Posted: 07/02/2013 10:47
Rum, C actually weakens the premise. Read carefully. Premise says "wearing contact lenses by itself causes dry eyes". C says "most people with dry eyes do NOT wear contact lenses".

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