Which of the Two Most Influential Models of Dissociative Disorders

Which of the two most influential models of dissociative disorders gives an especially helpful explanation of who develops these disorders?

A) The posttraumatic model (PTM) and the sociocognitive model (SCM) both give clear and useful explanations.
B) Neither the posttraumatic model (PTM) nor the sociocognitive model (SCM) is sufficient to explain who develops these disorders.
C) The posttraumatic model (PTM) gives a much better explanation than the sociocognitive model (SCM) .
D) The sociocognitive model (SCM) gives a much better explanation than the posttraumatic model (PTM) .