Which Professional Organization Emerged in the 1990's as the Dominant

Which professional organization emerged in the 1990's as the dominant association for the advancement of applied sport psychology as well as research in North America and perhaps the world?

A) North American Society for the Psychology of Sport and Physical Activity.
B) Canadian Society for Psychomotor Learning and Sport Psychology.
C) Association for the Advancement of Applied Sport Psychology.
D) American Psychological Association.