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': 'Type II glycogen storage disorder is due to deficiency of: \nSelect and explain. \nA. alpha-Glucosidase, B. alpha-galactosidase, C. Muscle phosphorylase, D. Acid Lipase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]