Within the Developmental Model of Sport Participation, the Elite Performance

Within the Developmental Model of Sport Participation, the elite performance through sampling trajectory suggests specialization typically begins ________ and is characterized by ________.

A) after the sampling years; high amounts of deliberate practice
B) from a very young age; primarily deliberate play activities
C) around age 16; primarily deliberate practice activities
D) around age 13; a mix of deliberate play and deliberate practice activities
E) none of the above