题目

Two traveling angels (天使) stopped to spend the night in the home of a wealthy family. The family was rude and refused to let the angels stay in the guest room. Instead the angels were given a space in the cold basement. As they made their bed on the hard floor, the older angel saw a hole in the wall and repaired it. When the younger angel asked why, the older angel replied: “Things aren’t always what they seem.”      The next night the pair came to rest at the house of a very poor, but very hospitable (好客的)farmer and his wife. After sharing what little food they had, the 日月星辰东升西落现象的形成原因是  A．日月星辰都绕着地球转        B．地球绕太阳自西向东公转 C. 地球自西向东自转            D．地球公转时，地轴是倾斜的