Wundt's System Dealt Only with Consciousness Because ____.​

Multiple Choice

Wundt's system dealt only with consciousness because ____.​

A) ​the unconscious has only one element (feelings)
B) the unconscious cannot be reduced to basic elements
C) ​the unconscious cannot be introspected
D) the a priori knowledge of the unconscious cannot be distinguished from empirical knowledge
E) he posited that the unconscious is a pseudo-problem