I believe that the message the author is trying to convey in this excerpt is that humans need to take action to end further destruction of the natural environment, because if they don't, more and more species will disappear.
Answer:
I believe it is the last one
Explanation:
Don't take my word for it, but it seems more simple than the others.
A because a dystopia is the opposite of a utopia in the sense that a utopia is a perfect universe, but a dystopia is the opposite. Fahrenheit 451 is a perfect example of a classic dystopia: it may seem like a utopia at first, but there is more underneath the surface.
