单项选择题
A.每月都能挣大把的钱，为什么他一直在抱怨没钱买他钟爱的书呢 B.每月得到那么大数额的钱，他为何总在诉说没钱买好书的事呢 C.每月挣那么多钱，他怎么还老是抱怨没钱买他喜爱的书呢 D.每月收入那么丰厚，他却总说没钱买他喜欢的书，这是为什么
A．medical care for old people should be left to the doctors B．old people enjoy a happy life only if they are rich C．the opinion that we should try every possible means to save old people is doubtful D．it is always morally right to treat old people and push off death
A．Not the End But the Beginning B．Which Is the Best: Train, Motorcar or Plane C．Trains Are More Competitive than Motorcars or Plane D．Oh, Super fast Trains