G. Stanley Hall Promoted the Idea That

G. Stanley Hall promoted the idea that:

A) understanding the unique qualities of adolescence was key to developing effective education and counseling for adolescents.
B) adolescence is a distinctive stage when people can at last fulfill the biological imperative to reproduce.
C) biological maturation brings about emotional conflict and instability.
D) adolescence is a time when individuals can finally benefit from the "the education of reason."