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 accurate?

A) "The liver is not able to metabolize glucose as well during stressful times."
B) "Your diet at the hospital is the most likely cause of the increased glucose."
C) "The stress of illness causes release of hormones that increase blood glucose."
D) "It is probably coincidental that your blood glucose is higher when you are ill."