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: Anaesthesia
[{'content': 'Perception of ordinarily non noxious stimuli as pain, is better known as \nSelect and explain. \nA. Allodynia, B. Hyperalgesia, C. Hyperesthesia, D. Radiculopathy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]