when you reuse something,it means ()为什么是A.it is made into another shape and used again

题目

when you reuse something,it means ()为什么是A.it is made into another shape and used again
而不是B.it is used again 原文中不是写了 Another way to cut down on trash is to reuse things.You can wash and use again吗?
There are three ways to cut down on trash.
One way is to recycle.When you recycle something,it means it is made into another shape and used
again.Old newspaper may become paper bags.A glass jar can be melted (熔化) and made into a bottle.
Another way to cut down on trash is to reuse things.You can wash and use again a bottle that can hold
mustard (芥末酱) or something else.
The third way to cut down on trash is to reduce the amount of trash you make,stop buying thing that
you don't need in the first place.That reduce the amount of the earth's resources that you use.

答案

应该是题目或者答案错了.这种现象很正常……