You never see GMAT questions like this - this is a question format from the LSAT.
The argument is based on generalizing from personal experience. "In my experience, X is true, therefore X is probably always true". The stem says "in my experience, swans are white, therefore at the zoo swans are probably white", and the only answer that follows a similar pattern is E, which says essentially "in my experience, allergy medicine doesn't work, so this new allergy product probably
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The argument is based on generalizing from personal experience. "In my experience, X is true, therefore X is probably always true". The stem says "in my experience, swans are white, therefore at the zoo swans are probably white", and the only answer that follows a similar pattern is E, which says essentially "in my experience, allergy medicine doesn't work, so this new allergy product probably
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