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: Forensic Medicine
[{'content': 'Not a sign of Organophosphorus poisoning is: \nSelect and explain. \nA. Bradycardia, B. Salivation, C. Miosis, D. Bronchodilatation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Bronchodilatation', 'role': 'assistant'}]