A 14-year-old girl arrives as a new patient. She was followed for 7 years in another state with a history of insulin-dependent dia¬betes mellitus. Her hemoglobin Alc is 14.9%. This laboratory test indicates that:
A. She does not have insulin-dependent diabetes.
B. She has an underlying infection.
C. Her glucose control is poor.
D. She is demonstrating the Somogyi phenomenon.
E. She has entered the “honeymoon phase” of her diabetes.