The answer to this question is True
The correct answer is A.
Q: But how, also, why?
A:

Formula to the solution should explain everything. ^
This statement is true because "Participating in physical activities always will improve your health in anyway and every way possible.
It just good for you."
Answer:
B/c they must be healthy enough to participate in physical activity and they must perform at their own health-levels.
Explanation:
This makes sense because you need to check whether your body is able to stand up to the fitness so that you don’t hurt yourself.