C and D do not factor into characterization.
Idk, We all dont know, so maybe the world will never know
the answer is B. Here is why: Gender schema theory was introduced by psychologist Sandra Bern in 1981. Bern’s theory was influenced by the cognitive revolution of the 1960s and 1970s as well as her desire to remedy what she believed to be shortcomings in the psychoanalytic and social learning theories of the time.
