Fritz Heider Believed That All People Are "Intuitive Psychologists

Fritz Heider believed that all people are "intuitive psychologists." What did Heider mean by this statement?

A) most people approach the understanding of behaviour from a psychodynamic perspective.
B) there is little distinction between "common sense" psychology and "professional" psychology.
C) people try to figure out what others are like and what causes their behaviour,just as professional psychologists do.
D) people have less interest in the behaviour of others than professional psychologists do.