Respuesta :

bookishfairy73
I choose b because its saying that yong one are most likely to succedd in athletics if you start when you are growing up when pressured by coaches
nobrains
A. would be incorrect because biology doesn't have anything to do with the whole subject.
C. says that you will be successful if you "diversify" but doesn't specifically say to specialize in a sport.

Therefore B. would be the best answer.