Which of the Following Statement Is Most True Relative to the "Formative

Which of the following statement is most true relative to the "formative years" for sport psychology in North America?

A) Sport psychology began to emerge as a discipline separate from motor learning.
B) Prior to the emergence of sport psychology as a discipline,most research in the area was conducted in a laboratory setting.
C) Sport psychology began to emerge as a discipline separate from exercise physiology.
D) All of the above.