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': "Middle ear deafness can be tested by \nSelect and explain. \nA. Babinsky test, B. Chvostek test, C. Finger-nose test, D. Weber's test", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]