听力原文： Dr. Allen Hersh designs smells for businesses. He says that it doesn't take a whole lot of smell to affect you. (29) Store owners can lure you to the candy aisle, even if you don't realize you are smelling candy. This idea scares a lot of peoplE.Groups that protect the rights of shoppers are upset.They say the stores are using a kind of brainwashing which they call 'smell-washing'. 'It's pretty dishonest,' says Mark SilbergelD.He runs an organization that checks out products for consumers. The scientists hired to design the scents disagreE.(30) 'There's soft background musiC.There's special lighting. There're all sorts of bells being used,' says Dr. Hersh, 'why not smells?' 'One reason why not,' says Silbergeld, 'is that some people are allergic to certain scents pumped into products or stores.'But there is a whole other side to this debate, 'do the smells really work?' So far, there is little proof one way or the other. But Dr. Hersh has run some interesting experiments. In one of Hersh's experiments, 31 volunteers were led into a shoe store that smells slightly like flowers. Later, another group shopped in the same store, but with no flower odor. (31) Dr. Hersh found that 84% of the shoppers were more likely to buy the shoes in the flower-scented room, but Hersh found out something even stranger. 'Whether the volunteers like the flower scent or not didn't matter,' Hersh says, 'Some reported that they hated the smell, but they still were more likely to buy the shoes in the scented room.'Questions:Why are some people against the use of smells to attract customers?What is Dr. Hersh's attitude to the use of smells for business?What did Hersh's experiment show?(30)A.Customers may get addicted to the smell.B.Customers may be misled by the smells.C.It hides the defects of certain goods.D.It gives rise to unfair competition.
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