26.一位22歲男性，在一次身體例行檢查中發現週邊血液白血球215,720/µL， 血小板719,000/µL，血紅素12.0 g/dL；白血球分類結果blast 1%、promyelocyte 12.75%、myelocyte 22.75%、metamyelocyte 8%、band neutrophil 12.5%、segmentedneutrophil 34.25%、eosinophil 3.75%、basophil 3.5%；理學檢查有脾腫大，leukocytealkaline phosphatase（LAP）score 19（參考值為75～175），則此人最有可能罹患下列何種疾病？
(A)chronic myeloid leukemia
(B)acute myeloid leukemia
(C)chronic lymphocytic leukemia
(D)myelodysplastic syndrome