Question ID:PT60 S1 Q15 Passage:Camille:  Manufacturers of water-saving faucets exaggerate the amount of money such faucets can save. Because the faucets handle such a low volume of water, people using them often let the water run longer than they would otherwise. Rebecca:  It is true that showering now takes longer. Nevertheless, I have had lower water bills since I installed a water-saving faucet. Thus, it is not true that the manufacturers' claims are exaggerated. Stem:The reasoning in Rebecca's argument is questionable in that she takes for granted that Correct Answer Choice:BChoice A:the cost of installing her water-saving faucet was less than her overall savings on her water bill Choice B:she saved as much on her water bills as the manufacturers' claims suggested she would Choice C:the manufacturers' claims about the savings expected from the installation of water-saving faucets are consistent with one another Choice D:people who use water-saving faucets are satisfied with the low volume of water handled by such faucets Choice E:installing more water-saving faucets in her house would increase her savings