Which of the following correctly uses a comma between coordinate adjectives?

A. 
I love to go to the beach on long, August days.

B. 
The icy, winter weather caused a power outage last winter.

C. 
The frightening, fierce winds toppled trees and power lines.

D. 
Five, large deer stood in the field behind our ranch.

1 answer

C. The frightening, fierce winds toppled trees and power lines.