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: Biochemistry
[{'content': "Gaucher's disease is due to deficiency of enzyme \nSelect and explain. \nA. Sphingomyelinase, B. β–Glucosidase, C. Hexosaminidase–A, D. β–Galactosidase", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]