With no dredging, Central Park's ponds and reservoir have
been reincarnated as marshes. Without natural grazers -
unless horses used by hansom cabs and by park
policemen managed to go feral and breed - Central Park's
grass is gone. A maturing forest is in its place, radiating
down former streets and invading empty foundations.
Which best explains how the structure of this passage supports the author's
purpose?
O
A. The passage shows the effects of human activity on Central Park
to prove that laws protecting the environment are necessary for
human survival

B. The passage describes how the absence of human activity will
change Central Park to show that nature will eventually destroy
what people have built.

C. The passage compares the Central Park from before and from
during a posthuman world to underscore that pollution levels will
remain the same.

D. The passage traces several events in the order that they will occur
to highlight how people have harmed the environment in Central
Park