Which of these phrases is an example of sarcasm?

A.
I'm glad my city now recycles most plastic.

B.
The notion that Earth could someday be overrun with trash is a little unsettling.

C.
It just thrills me that we have so much waste in landfills.

D.
I've heard some recycling plants create a lot of pollution.

1 answer

C.
It just thrills me that we have so much waste in landfills.