Which of the following statements regarding nonstatutory labor exemptions is true?

Select one:

A$.$ The National Soccer League limits player eligibility to individuals over the age of $20.$

B$.$ A player is suspended from the league rather than from a particular team.

C$.$ The National Football League and the players union agree during collective bargaining to a salary cap that would restrict player salaries.

D$.$ The NCAA can restrict which games are televised during a season.