Hi guys. I'm having a hard time understanding why answer D is the correct answer. I understand that the question states what would weaken the Doctor's research study the most, but why is E not a good answer as well? If the study continued with100 more children older than infants, than wouldn't that also prove that this is a good way to weaken the argument?
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https://classic.7sage.com/lsat_explanations/lsat-53-section-1-question-08/
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