Maria, a Mexican Adolescent with a History of Sleepwalking, Is

Maria, a Mexican adolescent with a history of sleepwalking, is diagnosed as having dissociative identity disorder (DID) .She was severely abused as a child and, in response, developed three distinct personalities.What aspect of Maria's case is unusual for DID?

A) That she was severely abused as a child
B) That she has a history of sleepwalking
C) That she has more than two personalities
D) That she is Mexican