Pat Has Dissociative Identity Disorder and Lives with Her Parents

Multiple Choice

Pat has dissociative identity disorder and lives with her parents.Her parents observe her "switch" from one personality to another on a regular basis.How do her parents describe the "switches"?

A) They are usually instantaneous.
B) They are subtlety done by the host personality.
C) They usually occur at the will of the original personality.
D) They are usually gradual.