Here Is a Quote from Freud,describing a Part of the Mind

Multiple Choice

Here is a quote from freud,describing a part of the mind as he theorized it: It is the dark,inaccessible part of our personality,what little we know of it we have learnt from our study of the dream-work and of the construction of neurotic symptoms.. . .We all approach [it] with analogies: we call it a chaos,a cauldron full of seething excitations.
Which part of the mind was he talking about?

A) The id
B) The ego
C) The superego
D) The conscience