Freud's Ideas Such as Id,the Oedipus Complex,and the Basic Drives

Multiple Choice

Freud's ideas such as id,the Oedipus complex,and the basic drives of sex and aggression:

A) are very difficult to demonstrate experimentally or verify
B) have been proven in several studies
C) were actually developed by Carl Jung
D) are assumed to be incorrect by most psychoanalytical theorists