单项选择题
A.to be fast and convenient B.to make customer the center of attention C.to be the first in the world D.to make the customer feel at home
A.The price is very cheap. B.The products are good. C.The signs of departments are clear. D.The departments are large.
A.see store clerks sitting around watching TV B.receive warm greetings from clerks C.show their respects to clerks D.be given a pamphlet introducing the goods