【单选题】This action affects the environment as a whole . For example , a lot of carbon dioxide in the air comes from burning the rainforests . People obviously have a need for the resources we gain from cutti...
A.
We will lose much more than we can gain .
B.
Humans have begun destroying rainforests .
C.
People have a strong desire for resources .
D.
Much carbon dioxide comes from burning rainforests .