An Older Patient Beginning Antibiotic Therapy for a Leg Wound

An older patient beginning antibiotic therapy for a leg wound has a history of Clostridium difficile. What should the nurse instruct the patient to do to reduce a reoccurrence?

A) Eat yogurt daily.
B) Eat large amount of fresh fruits and vegetables.
C) Restrict the amount of meat and calcium products.
D) Decrease the amount of fluid taken while on the medication.