There Are No Structural Psychologists Left in the United States

Multiple Choice

There are no structural psychologists left in the United States.However,structural psychology was a success because it ____.​

A) ​discovered metal elements that compose consciousness
B) helped to establish psychology as an independent science
C) ​was able to perfect the method of introspection as a means to explore the nature of consciousness
D) discovered the phi phenomenon which shows that mentality has the job of trying to interpret reality from sensory inputs
E) None of the choices are correct.