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': 'Anaemia, punctate basophilia, constipation blue line and abdominal colic are characreristic of \nSelect and explain. \nA. Opium addiction, B. Arsenic poisoning, C. Mercuric poisoning, D. Lead poisoning', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Lead poisoning', 'role': 'assistant'}]