Leaders of the Progressive Movement Found Behaviorism Attractive Because

Leaders of the Progressive movement found behaviorism attractive because:

A) Progressives and behaviorists shared the belief that mind was a mythical concept
B) Behaviorism was the first distinctive American psychology, as opposed to German introspective psychology or psychoanalysis
C) Of Watson's strong support for Progressive eugenics programs
D) Behaviorism promised to provide scientific means of social control