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: Anatomy
[{'content': 'True about radial nerve: \nSelect and explain. \nA. Branch of posterior cord, B. Nerve of extensor compament of forearm, C. Arise from C5-T1, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Branch of posterior cord; B i.e. Nerve of extensor compament of forearm; C i.e. Arise from C5-T1', 'role': 'assistant'}]