In the Week Before Her Menstrual Period, a Woman Experiences

In the week before her menstrual period, a woman experiences irritability, anxiety, and difficulty concentrating. The nurse suggests a remedy to relieve these symptoms, which is:

A) Drink tea or hot chocolate before going to bed.
B) Take a daily folic acid and vitamin C supplement.
C) Include complex carbohydrates and fiber in the diet.
D) Avoid exercise when symptoms occur.