In Criticizing the Structuralists' Reliance on the Method of Introspection,William

In criticizing the structuralists' reliance on the method of introspection,William James argued that two people could view the same stimulus quite differently.Which unifying theme from your text does James's argument illustrate

A)  People's experience of the world is highly subjective. 
B)  Psychology is empirical. 
C)  Psychology evolves in a sociohistorical context. 
D)  Heredity and environment jointly influence behaviour.