What Scientific Limitation Was Shared by Structuralism,functionalism,and Psychoanalytic Theory

Multiple Choice

What scientific limitation was shared by structuralism,functionalism,and psychoanalytic theory?

A) All three theories proposed that women were naturally inferior to men.
B) All three theories were difficult, if not impossible, to test scientifically.
C) All three theories were developed in Europe, and therefore do not apply to people from other continents.
D) All three theories opposed the prevailing religious views of their times.