【单选题】听力原文: Most people are aware, that the earth is a delicate thing, and that it cannot last forever, if we do not take care of it. Apart from the dangers of blowing each other up, there is the problem of...
A.
The earth cannot last forever, if we do not take care of it.
B.
Hunters are destructing the wildlife.
C.
Nuclear power is increasingly used to generate electricity.