Barb and Pedro Find They Often Have to Adjust Their

Barb and Pedro find they often have to adjust their posture to avoid separation during coital sex, and they find it distracting. What is the most likely cause?

A) Pedro is experiencing mild erectile dysfunction known as "the hinge effect."
B) Barb's cervix and uterus did not elevate as part of the excitement phase of Master and Johnson's sexual response cycle.
C) Either Pedro or Barb is experiencing a psychological dysfunction that is prohibiting them from finding the primal, reflexive nature of the sexual act.
D) None of the above