This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'A four year old boy was admitted with a history of abdominal pain and fever for two months maculopapular rash for ten days, and dry cough, dyspnea and wheezing for three days. One examination liver and spleen were enlarged 4 cm and 3 cm respectively below the costal margins. His hemoglobin was 10.0 g/dl, platele count 37 x 109/L and total leukocyte count 70 x 109 /L, which included 80% eosinophils Bone marrow examination revealed a cellular marrow comprising of 45% blasts and 34% Eosinophils and eosinophilic precursors. The blasts stained negative for myeloperoxidase and non-specific esterase and were positive for\n CD19, CD 10, CD22 and CD20. Which one of the following is the most likely diagnosis? \nSelect and explain. \nA. Biphenotypic acute leukemia (lymphoid and eosinophil lineage), B. Acute eosinophilic leukemia, C. Acute lymphoblastic leukemia with hyper-eosinophilic syndrome, D. Acute myeloid leukemia with cosinophilia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]