You are answering a USMLE-style medical question. Question: A 63-year-old man presents to his primary care physician for follow-up. He reports a slow and steady weight gain of 6 pounds over the past 6 months, despite attempts to control his diet and increase his level of exercise. His medications include pravastatin, lisinopril, and hydrochlorothiazide. On exam, his vital signs are stable. He is obese (BMI 32), and his waist circumference is 43 inches. His physician is concerned about an abnormal fasting blood glucose and dyslipidemia. On further work-up with oral glucose tolerance test, the patient is diagnosed with diabetes. Which of the following associations is consistent with this patient’s most likely form of diabetes? Options: A) Strong HLA class II gene makeup B) Pancreatic islet cell amyloid deposition C) Pancreatic islet cell leukocyte infiltration D) Auto-antibodies against pancreatic islet cell antigens Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.