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': 'Which is a feature of Normal Pressure hydrocephalus - \nSelect and explain. \nA. Gait Disturbance, B. Aphasia, C. Global confusion, D. Opthalmoplegia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]