Regarding the Effectiveness of Psychoanalysis and the Development of Briefer

Regarding the effectiveness of psychoanalysis and the development of briefer therapies,which of the following statements is FALSE?

A) Research has shown that some problems, such as hyperactivity and anxiety do improve with the passage of time, even when not treated with therapy.
B) Research has shown that psychoanalysis produces improvement in only a small minority of patients.
C) Hans Eysenck suggested that psychoanalysis takes so long that patients experience a spontaneous remission of symptoms.
D) Eysenck's critique of therapy has encouraged psychologists to try new ideas and techniques.