All of the Following Are Legitimate Criticisms of Dissociative Identity

All of the following are legitimate criticisms of dissociative identity disorder, EXCEPT that ________.

A) the diagnosis of dissociative identity disorder has increased dramatically in the last 40 years
B) the average number of personalities present in dissociative identity disorder has increased from three to 15
C) people role-playing different personalities often show all of the same dramatic physiological changes
D) in many cultures, dissociative identity disorder is unknown and is not found