Introduction of a Couple to the Swinging Scene Is

Introduction of a couple to the swinging scene is

A) a result of sexual dissatisfaction in the marriage that has gotten to the point where the couple no longer wants to have sex with one another.
B) a relatively progressive process often initiated with swinger organizations and magazines.
C) one of the better predictors of divorce within five years.
D) the first step towards a couple becoming sex addicts.