Jack Is Having Problems Maintaining an Erection, and It Has

Jack is having problems maintaining an erection, and it has been determined that there is no physiological basis for this problem. His partner may be most helpful to him if he/she

A) persuades him to have intercourse with him/her as soon as he begins to have an erection.
B) is able to increase his blood pressure and thus the vascular flow to his penis.
C) can help reduce his anxiety over sexual performance.
D) shares with him specific ways in which he can stimulate him/her and bring him/her to an orgasm.