You are answering a USMLE-style medical question. Question: A 26-year-old man comes to the physician for episodic fever, recurrent night sweats, and a 6-kg (14.2-lb) weight loss over the past 2 months. He reports that the fever lasts for 7 to 10 days, then subsides completely for about a week before returning again. His temperature is 39°C (102.2°F). Physical examination shows nontender cervical and supraclavicular lymphadenopathy. An x-ray of the chest shows bilateral mediastinal masses. Resection of a cervical lymph node is performed. A photomicrograph of the resected specimen is shown. Further histopathological examination is most likely to show which of the following findings? Options: A) Cells staining positive for CD15 and CD30 B) Cells with BCR-ABL rearrangement C) Cells overexpressing Bcl-2 D) Cells with t(8;14) chromosomal translocation Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.