Please help me this is my final exam Which topic sentence best supports the following thesis statement?

Playing for an all-star baseball team takes a lot of hard work and dedication.

A. Baseball players wear matching uniforms as well as protective equipment.

B. On the second day of tryouts, everyone had to run a mile in under eight minutes.

C. Players and their parents have to commit to a demanding practice schedule.

D. Playing in a regional soccer league requires players to travel up to four hours for games.