When Counseling a Male Client About the Goal of Therapy

When counseling a male client about the goal of therapy with sildenafil (Viagra) ,the nurse emphasizes that sildenafil:

A) might be beneficial for his female sexual partner as well.
B) results in less satisfying intercourse than might have been enjoyed previously.
C) is not effective if the cause of erectile dysfunction is psychological.
D) elicits an erection in an impotent male.