A Hospitalized Patient with Diabetes Tells the Nurse,"I Don't Understand

A hospitalized patient with diabetes tells the nurse,"I don't understand why I can keep my blood sugar under control at home with diet alone,but when I get sick,my blood sugar goes up.This is so frustrating." Which response by the nurse is most appropriate?

A) "It is probably just coincidental that your blood glucose is higher when you are ill."
B) "Stressors such as illness cause the release of hormones that increase blood glucose."
C) "Increased blood glucose occurs because the liver is not able to metabolize glucose as well during stressful times."
D) "Your diet is different here in the hospital than at home and that is the most likely cause of the increased glucose level."