Answer:
The answer is C, Non-athletes use bookies more than athletes do.
Step-by-step explanation:
Bookies are the agents, people or system used in receiving payment in exchange of a gaming odd. They are also the one that pay out winnings to games and sports. The mentality of a bookie is to bring more money in more than the rate money is going out.
Now, referring back to the question, athletes are not allowed to bet according to the act and code of conduct of the regulating body to avoid athletes influencing the games or odds of a game.
That leaves us with the non-athletes being the one place all the bet and gambles in a sport. making "C" the right answer.