During a Clinic Visit 3 Months Following a Diagnosis of Type

During a clinic visit 3 months following a diagnosis of type 2 diabetes,the patient reports that she has been following her reduced-calorie diet,but she has not lost any weight,and she has neglected to bring her record of glucose monitoring results.What does the nurse recognize as the best indicator of the patient's control of her diabetes since her initial diagnosis and instruction?

A) A fasting glucose level
B) Analysis for microalbuminuria
C) A glycosylated hemoglobin (HbA_1C) level
D) The patient's verbal report of her symptoms