Which Patient Statement Indicates That the Nurse's Teaching About Sulfasalazine

Which patient statement indicates that the nurse's teaching about sulfasalazine (Azulfidine) for ulcerative colitis has been effective?

A) "The medication will be tapered if I need surgery."
B) "I will need to use a sunscreen when I am outdoors."
C) "I will need to avoid contact with people who are sick."
D) "The medication prevents the infections that cause diarrhea."