It Is Most Important to Take Special Precautions with a __________

It is most important to take special precautions with a __________ because of an increased susceptibility to infection as a result of medical therapy.

A) 38-year-old woman receiving immunotherapy for allergies
B) 38-year-old man with diabetes mellitus taking insulin
C) 58-year-old woman with rheumatoid arthritis taking corticosteroids daily
D) 58-year-old man 5 years after a myocardial infarction taking aspirin daily