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: Physiology
[{'content': 'The urge for micturition is felt when the bladder is filled with - \nSelect and explain. \nA. 100-200cc of urine, B. 200-300cc of urine, C. 500-700cc of urine, D. 500-700cc of urine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e., 100 - 200 ml of urine', 'role': 'assistant'}]