question: Q:A 62-year-old woman with type 2 diabetes mellitus is brought to the emergency room because of a 3-day history of fever and shaking chills. Her temperature is 39.4°C (103°F). Examination of the back shows right costovertebral angle tenderness. Analysis of the urine shows WBCs, WBC casts, and gram-negative rods. Ultrasound examination of the kidneys shows no signs of obstruction. Biopsy of the patient's kidney is most likely to show which of the following?? 
  {'A': 'Polygonal clear cells filled with lipids and carbohydrates', 'B': 'Polymorphonuclear leukocytes in tubules', 'C': 'Widespread granulomatous tissue and foamy macrophages', 'D': 'Cystic dilation of the renal medulla', 'E': 'Tubular eosinophilic casts\n"'},