Which of the Following Was Mentioned as Basis for Criticizing

Which of the following was mentioned as basis for criticizing the validity of dissociative identity disorder?

A) In many cultures, dissociative identity disorder is not found and is virtually unknown.
B) Most dissociative identity disorder cases occur in people who are involved in some kind of serious legal action.
C) Dissociative identity disorder has been found to correlate with several other psychological disorders such as schizophrenia and conversion disorder, suggesting that it is redundant.
D) People asked to role-play various personalities show all of the same dramatic physiological changes that people with multiple personalities show.