Question ID:PT60 S3 Q2 Passage:A study found that consumers reaching supermarket checkout lines within 40 minutes after the airing of an advertisement for a given product over the store's audio system were significantly more likely to purchase the product advertised than were consumers who checked out prior to the airing. Apparently, these advertisements are effective. Stem:Which one of the following, if true, most strengthens the argument? Correct Answer Choice:BChoice A:During the study, for most of the advertisements more people went through the checkout lines after they were aired than before they were aired. Choice B:A large proportion of the consumers who bought a product shortly after the airing of an advertisement for it reported that they had not gone to the store intending to buy that product. Choice C:Many of the consumers reported that they typically bought at least one of the advertised products every time they shopped at the store. Choice D:Many of the consumers who bought an advertised product and who reached the checkout line within 40 minutes of the advertisement's airing reported that they could not remember hearing the advertisement. Choice E:Many of the consumers who bought an advertised product reported that they buy that product only occasionally.