All choices
Freud's method of therapy encourages free association, cathartic experiences and exploration of the unconscious.
Answer: D
Explanation
Freud as the founder of psychoanalysis believed that all the mentioned choices can be used to cure people.
In addition, people can also be cured by helping them bring to the surface the unconscious or repressed behavior, memories etc.
When the unconscious is conscious it easier for both the healer and the patient to get clarity of what needs to be healed.
Psychoanalysis assumes that the root cause of most psychological problems is deeply unconscious.
They help patients to unearth the causes which may be trauma experienced at an early age and etc.