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: Surgery
[{'content': 'A patient involved in a road traffic accident presents with quadriparesis, sphincter disturbance, sensory level up to the upper border of sternum and a respiratory rate of 35/minute. The likely level of lesion is: \nSelect and explain. \nA. C1-C2, B. C4-C5, C. T1-T2, D. T3-T4', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. C4-C5', 'role': 'assistant'}]