You are answering a USMLE-style medical question. Question: A 42-year-old man with AIDS comes to the physician for intermittent fever, nonproductive cough, malaise, decreased appetite, abdominal pain, and a 3.6-kg (8-lb) weight loss over the past month. He has not seen a doctor since he became uninsured 2 years ago. His temperature is 38.3°C (100.9°F). Abdominal examination shows mild, diffuse tenderness throughout the lower quadrants. The liver is palpated 2–3 cm below the right costal margin, and the spleen is palpated 1–2 cm below the left costal margin. His CD4+ T-lymphocyte count is 49/mm3 (N ≥ 500 mm3). Blood cultures grow acid-fast organisms. A PPD skin test shows 4 mm of induration. Which of the following is the most appropriate pharmacotherapy for this patient's condition? Options: A) Voriconazole B) Amphotericin B and itraconazole C) Erythromycin D) Azithromycin and ethambutol Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.