Which of the following statements is true about dissociativedisorders?

a. . In dissociative identity disorder, an individualdisplays characteristics of two or more distinct personalities.

b. Dissociative fugue involves an actual loss ofinformation from memory and typically results from a physiologicalcause

c. In multiple personality disorder, an individualexperiences a significant, selective memory loss.

d. In dissociative amnesia, people have a constant fear ofillness and a preoccupation with their health.