单项选择题
[听力原文] M: It’s two o’clock now, When will the train leave for Shanghai W: It’s going to start at five o’clock and we have to wait here until then.
A.Two hours. B.Five hours. C.Three hours. D.Seven hours.
A.总体上说,经济形势有了改变。 B.半数地区的经济态势有了好转。 C.整个经济形势已被证明了。 D.总的经济形势有了好转。