A、  B、  C、  D、  A照片中有一群人在室内，有一个看着前面电脑的女性的背影，因此正确答案是(A)项。尽管照片中有很多客人(customers)，但是有很多空座位。因此(B)项是错误的。如果听到librar

(A)People are raising the flags.
(B)One person is parking a bicycle.
(C)People are walking up the stairs.
(D)A couple is sitting by the fountain.

(A)One woman has a computer.
(B)The room is full of customers.
(C)They are studying in a library.
(D)One man is standing on a chair.