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': 'Krabbe’s disease caused by deficiency of \nSelect and explain. \nA. Sphingo myelinase, B. Alpha galactosidase, C. Galacto cerebrosidase, D. Aryl sulfatase A', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]