Which of These Clients Is the Most Likely Candidate for Aaron

Which of these clients is the most likely candidate for Aaron Beck's form of cognitive therapy?

A) Albert, who suffers from mania
B) Barbara, who suffers from depression
C) Robert, who suffers from schizophrenia
D) Virginia, who has been diagnosed with dissociative identity disorder
E) Sybil, who suffers from dissociative identity disorder