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1000 CR Ques - Need explanation

Expert replies
by bornsupreme » Fri Oct 23, 2009 3:31 am
Hi,

A newly discovered disease is thought to be caused by a certain bacterium. However, recently released data notes that the bacterium thrives in the presence of a certain virus, implying that it is actually the virus that causes the new disease.
Which of the following pieces of evidence would most support the data's implication?

(A) In the absence of the virus, the disease has been observed to follow infection by the bacterium.
(B) The virus has been shown to aid the growth of bacterium, a process which often leads to the onset of the disease.
(C) The virus alone has been observed in many cases of the disease.
(D) In cases where the disease does not develop, infection by the bacterium is usually preceded by infection by the virus.
(E) Onset of the disease usually follows infection by both the virus and the bacterium.

The OA is C but i picked up B

Can nyone explain how?
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Source: — Critical Reasoning |

by ayushr » Fri Oct 23, 2009 9:31 am
recently released data notes that the bacterium thrives in the presence of a certain virus, implying that it is actually the virus that causes the new disease.

Correct asnswer should state - virus is the actual cause not bacterium !!

C clearly says that virus alone has been observed in many cases .. hence the OA.

hope it helps !!
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