This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood, Subject name: Medicine
[{'content': 'Charcot leyden crystals are derived from: \nSelect and explain. \nA. Eosinophils, B. Basophils, C. Neutrophils, D. Bronchial goblet cells', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: aRef: Harrison, 16thed, p. 1511', 'role': 'assistant'}]