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': 'CSF production per minute ? \nSelect and explain. \nA. 0.30 - 0.35 ml / min, B. 0.5 ml / min, C. 2 ml / min, D. lml / min', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. 0.3 - 0.35 ml/minute', 'role': 'assistant'}]