Choose the sentence that would be the best conclusion for the article.

A.
As you navigate your way around the ski resort, refer to your map often to determine which trails are best for you.

B.
I recommend that you beginner skiers stay far away from those black–diamond trails.

C.
Skiing is a fun and popular sport that can be enjoyed at various ski resorts nationwide.

D.
The color-shape rating system will be used by ski resorts for many years to come because it is highly useful.

C.

Skiing is a fun and popular sport that can be enjoyed at various ski resorts nationwide.