Which Unifying Theme in Psychology Is Reflected by Schemas,the Misinformation

Multiple Choice

Which unifying theme in psychology is reflected by schemas,the misinformation effect,source monitoring,and the repressed memory controversy

A)  People's experience of the world is highly subjective. 
B)  Heredity and environment jointly influence behaviour. 
C)  Behaviour is shaped by cultural heritage. 
D)  Psychology is theoretically diverse.