Clinical Research Has Demonstrated That MBCT for Depression Relapse

Clinical research has demonstrated that MBCT for depression relapse:

A) is not as effective as maintenance antidepressant medication for those with three or more depressive episodes.
B) is nearly twice as effective as treatment as usual.
C) reduces risk of relapse by 50-10% among those with three or more depressive episodes.
D) is only effective in delaying or preventing recurrence of first episodes of depression.