阅读下面的短文，将A、B、C、D四个选项填入文章空缺处，使文章内容完整、正确，然后完成第5题。（每小题1分，满分5分）
Why do we need to throw less away? There are two reasons. One is that some resources(资源) can’t be found any more. That means there is only a certain amount of that resource in the world.         . When we use up all the oil in the world, there will be no more.
  . All of our trash has to be put somewhere. Much of that trash will be there for hundreds of years. The place will be filled up with too much trash.（垃圾、废物）
There are three ways to cut down on trash.
One way is to recycle. When you recycle something, it means it is used again. Old newspaper may become paper bags. A glass jar can be melted and made into a bottle.
   . You can wash and use a bottle again. It can hold something else.
The third way to cut down on trash is to reduce the amount of trash you make, stop buying things that you don’t need in the first place.      .

A. There’s another reason for throwing less away. B. Another way to cut down on trash is to reuse things. C. One example of this is oil. D. That will reduce the amount of the earth’s resources as well.

which is TRUE according to the passage?

A．The writer gives us three reasons to tell to cut down on trash.

B．If we want to reduce the trash, washing and using a bottle again is necessary.

C．“3R” are mentioned in the passage.

D．When we use up a certain amount of resource, it can be produced again.