Keith Is Diagnosed with Transsexualism (Gender Dysphoria)by a Psychoanalyst

Keith is diagnosed with transsexualism (gender dysphoria) by a psychoanalyst.How is the therapist likely to explain his disorder?

A) "You cross-dress because it allows you to experience sexual arousal."
B) "As a child, you over-identified with your strong and independent father."
C) "We will probably find that your mother encouraged you to dress up like a girl and may have punished him for being aggressive."
D) "There must be some unresolved Oedipal issues."