You are answering a USMLE-style medical question. Question: A 25-year-old man presents with painless swelling of the neck for the past week. He reports no recent fevers, night sweats, or weight loss. His past medical history is significant for human immunodeficiency virus (HIV) infection, which was diagnosed last year. He also experienced a head trauma 5 years ago, which has been complicated by residual seizures. His only medication is daily phenytoin, which was restarted after he had a seizure 3 months ago. His temperature is 36.8℃ (98.2℉). On physical examination, multiple non-tender lymph nodes, averaging 2 cm in diameter, are found to be palpable in the anterior and posterior triangles of the neck bilaterally. No other lymphadenopathy is noted. The remainder of the physical exam is unremarkable. Laboratory studies show the following: Hemoglobin 14 g/dL Leukocyte count 8000/mm3 with a normal differential Platelet count 250,000/mm3 Erythrocyte sedimentation rate 40 mm/h An excisional biopsy of one of the cervical lymph nodes is performed. The histopathologic analysis is shown in the image. Which of the following is the most likely diagnosis in this patient? Options: A) Acute lymphoid leukemia (ALL) B) Classical Hodgkin’s lymphoma (HL) C) HIV lymphadenopathy D) Phenytoin-induced adenopathy Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.