GMAT Critical Reasoning (CR) | Re: Pasteurization of milk is a process by which milk is heated

option B is out of scope w.r.t the topic in discussion
we don't know anything about the number of people affected from bacterial illness - this year or last year
option C is out of scope w.r.t the topic in discussion
completely OFS choice we are not at all talking about growth of bacteria in small intestine nor about digestive system
option D is a weakener w.r.t the topic in discussion
if fewer people got affected by drinking raw milk than raw milk is actually not that bad
option E is actually
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