GMAT Critical Reasoning (CR) | Re: Medical Investigator: "Podiatrists initially assumed that Meyer's Rash

Hi experts,

would you please explain further on C.

Only Dr. P argued that Meyer's Rash was viral in nature.
obviously , it is Dr.P's opinion, and latter, there are studies prove the opinion.
I don't think bold words is explanation because it is opinion and proved by the latter studies.
if explanation, it will further info to illustrate the conclusion that Meyer's Rash is caused by virus

compared "explanation" with "finding",
I picked up "finding".

genuinely want
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