The Basic Theoretical Assumptions of Behavioral Therapy Might Need to Be

The basic theoretical assumptions of behavioral therapy might need to be modified to facilitate working with diverse clients because

A) modern research has shown that some of these assumptions are false.
B) many prospective clients do not adhere to the assumptions and the client base for behavioral therapy is shrinking.
C) the restricted cultural context in which behavior therapy was developed influenced some of its underlying theoretical assumptions.
D) Many modern training programs are unable to find effective ways to teach the historical assumptions of behavioral therapy.
E) Most of the theoretical assumptions of the theory were originally conceived ad hoc.