A Woman Who Wants to Have Anal Sex Is Having

A woman who wants to have anal sex is having difficulty relaxing her anus enough to make penetration comfortable. Which technique is likely to be the most effective solution?

A) Squeezing and releasing her external sphincter each day to build strength
B) Squeezing and releasing her internal sphincter each day to build strength
C) Lubricating her rectum
D) Practicing penetration with narrow objects to develop voluntary control over her external sphincter
E) Practicing penetration with narrow objects to develop voluntary control over her internal sphincter