Research on the Outcome of Couple Therapy Indicates That It

Research on the outcome of couple therapy indicates that it ________.

A) has very little success rate as when both partners go to therapy separately
B) is generally more successful if the partners go to therapy separately
C) has the same success rate as when the wife goes to individual therapy and the husband does not go to therapy at all
D) is not at all successful if both partners go to therapy separately