There is a limited amount of space for landfills, and it is only a matter of time before they are full. How would you PARAPHRASE the sentence?

A) There is a limited amount of space for landfills.

B) Landfills are places where people can dump their garbage.

C) There is a lot of space to make new landfills when old ones get filled.

D) Soon landfills will be full, and there will not be space for new ones.