A Patient Is Admitted to the Unit with Extreme Fatigue

A patient is admitted to the unit with extreme fatigue, vomiting, and headache.This patient has type 1 diabetes but has been on an insulin pump for 6 months.He states, "I know it could not be my diabetes because my pump gives me 24-hour control." The nurse's best response would be

A) "You know a lot about your pump, and you are correct."
B) "You're right. This is probably a virus."
C) "We'll get an abdominal CT and see if your pancreas is inflamed."
D) "We'll check your serum blood glucose and ketones."