In Dissociative Identity Disorder, It Is Generally Believed That the "Alters

In dissociative identity disorder, it is generally believed that the "alters":

A) represent different aspects of the individual's personality that cannot be integrated into the primary personality.
B) represent the individual's ego, superego, and id.
C) are the source of the voices commonly heard in schizophrenia.
D) are the result of the hallucinations common in cases of "split personality."