You are answering a USMLE-style medical question. Question: A 69-year-old woman comes to the physician for a routine health maintenance examination. She feels well. Physical examination shows nontender cervical and axillary lymphadenopathy. The spleen is palpated 5 cm below the costal margin. Her leukocyte count is 12,000/mm3 and platelet count is 217,000/mm3. Further evaluation is most likely to show which of the following findings? Options: A) Ringed sideroblasts B) Teardrop cells C) Smudge cells D) Hypergammaglobulinemia Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.