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: Pharmacology
[{'content': 'According to American Society of Anesthetists, physical status scale Class III would be. \nSelect and explain. \nA. A normal healthy individual, B. A patient with mild systemic disease, C. A patient with severe systemic disease that is not in-capacitating, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]