Freud's Development of the Free-Association Technique Arose from His

Freud's development of the free-association technique arose from his

A) dissatisfaction with hypnosis and the need for a better therapeutic technique.
B) disagreements with Josef Breuer on the origin of hysterical symptoms.
C) compulsion to have an effective clinical tool, which he pioneered without a partner so that credit did not have to be shared.
D) experience with a patient, Anna O., who showed improvement after speaking freely during a therapy session.