[单项选择]Travelers arriving at Heathrow airport this year have been met by the smell of freshly-cut grass, pumped from a discreet comer via an "aroma box", a machine which blows warm, scented air into the environment^①. It can scent the area of an average high street shop with the smell of the chocolate, freshly-cut grass, or sea breezes, in fact any synthetic odors that can be made to smell like the real thing.
Heathrow’s move into "sensory" marketing is the latest in a long line of attempts by businesses to use sensory psychology—the scientific study of the effects of the senses on our behavior to help sell products. Marketing people call this "atmosphere" using sounds or smells to manipulate consumer behavior. On Valentine’s Day two years ago the chain of chemist’s Super dog scented one of its London shops with chocolate. The smell of chocolate is supposed to have the effect of reducing concentration and making customers relax. "Chocolate is associated with love", said a marke
A. It can send a lot of synthetic fragrance into the environment.
B. It is an air conditioner blowing with fresh air.
C. It often pumps the smell of freshly-cut grass from a high-street shop.
D. It is a box which sends out not only aroma but also music.

[单项选择]Travelers arriving at Heathrow airport this year have been met by the smell of freshly-cut grass, pumped from a discreet comer via an "aroma box", a machine which blows warm, scented air into the environment. It can scent the area of an average high street shop with the smell of the chocolate, freshly-cut grass, or sea breezes, in fact any synthetic odors that can be made to smell like the real thing.
Heathrow’s move into "sensory" marketing is the latest in a long line of attempts by businesses to use sensory psychology — the scientific study of the effects of the senses on our behavior to help sell products. Marketing people call this "atmosphere" — using sounds or smells to manipulate consumer behavior. On Valentine’s Day two years ago the chain of chemist s 3uperdog scented one of its London shops with chocolate. The smell of chocolate is supposed to have the effect of reducing concentration and making customers relax. "Chocolate is associated with love", said a marketing sp
A. It can send a lot of synthetic fragrance into the environment.
B. It is a machine which blows warm and fresh air into the environment.
C. It often pumps the smell of freshly-cut grass from a high-street shop.
D. It is a box which sends out not only aroma but also music.