As You Are an Astute Student Who Is Taking a Human

As you are an astute student who is taking a human sexuality class,your sister asks you for some human sexuality advice.She consistently has menstrual cramps and wonders what you would suggest to reduce the feeling of congestion and pain.You recall what the authors of your text suggested as one of the more effective means of reducing menstrual cramps,which is

A) ingest high levels of caffeine
B) advise her to eat a diet low in carbohydrates and high in protein and continue this throughout all of the phases of her future menstrual cycles.
C) assume a sitting position on the floor with one's legs crossed and think about other things to take her mind off of it
D) masturbation