在一定时期和一定的生产规模范围内，通信企业的固定成本总额保持不变，随着业务量的变动，

根据短文内容，从短文后的A-E选择中，选出适当的选项补全短文，并将代表句子的字母填写在答题卡相应的题号位置上。
Basketball is a young game. In the year of 1891, 小题1: . The weather was bad. They couldn’t play outside. So they were unhappy. Sometimes they even got into fights.Finally,  小题2: 
Dr. Naismith thought for a few days and invented a kind of ball game.   小题3:  . It was played between two teams. In order to make a score, the ball had to be thrown into a basket ten feet above the floor on the wall. At first,   小题4:  . As he couldn’t find boxes of the right size,   小题5:  . That is how the game got its name basketball. The history of this game is over 100 years.

A.  a famous college was having some trouble with its boy students B.  It was a fast, exciting game with much moving and passing of the ball C.  Dr. Naismith had planned to have the ball thrown into a box. D.  He had to use fruit basket instead. E.  Some teachers asked Dr. Naismith to invent a game so that the students might have something to play in doors.