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': 'D–tubocurarine acts by – \nSelect and explain. \nA. Inhibiting nicotinic receptors at myoneural junction, B. Inhibiting nicotinic receptors at autonomic ganglion, C. Producing depolarizing block, D. By inhibiting reuptake of acetylcholine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: All non-depolarizing blockers (D-tubocurarine) act as competitive antagonist of acetylcholine on nicotinic (Nm) receptors at myoneural junction.', 'role': 'assistant'}]