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': 'Calcium homeostasis disturbance is seen in \nSelect and explain. \nA. Malignant hyperthermia, B. DMD, C. Tibial muscular dystrophy, D. Limb girdle muscle dystrophy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]