Mark is a typical teenager who loves spending time outdoors. After finishing his homework, he never stays inside. He usually grabs his skateboard and goes to the skate park with his friends. Sometimes, they just ride their bikes around the neighborhood. He thinks being active is much better than sitting in front of a screen.
What is Mark's favorite way to spend his free time after homework?
A) Playing video games
B) Watching TV
C) Skateboarding
D) Reading books