42.下列何種細胞化學染色的組合最適合區分acute myelomonocytic leukemia（M4）與acute monocytic leukemia （M5）？ (A)Non-specific esterase／chloroacetate esterase (B)Alkaline phosphatase／acid phosphatase (C)Periodic acid Schiff／myeloperoxidase (D)Sudan black B／myeloperoxidase