Which Precaution Is Most Important to Teach a Patient Who

Which precaution is most important to teach a patient who is prescribed rabeprazole (Aciphex) ?

A) "Wear a hat and sunscreen outdoors to prevent sunburn."
B) "Take this drug 1 hour before or 2 hours after a meal."
C) "Drink at least 3 L of fluid daily to prevent constipation."
D) "Avoid eating raw fruits and vegetables while taking this drug."