How does this letter use comparing and contrasting to get the writer's point across to the principal?

A.
In three of the paragraphs, the writer explains the way the school looked with the trees in the 1950s.

B.
The writer tells what it is like with the trees and then tells the principal to imagine what it would be like without them.

C.
In three of the paragraphs, the writer compares the school with the trees and how it would be without the trees.

D.
The writer first tells what it is like with the trees and then explains what it would be like without the trees.

C. In three of the paragraphs, the writer compares the school with the trees and how it would be without the trees.