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': 'In which of the following poisoning abdominal colic is a presenting feature? \nSelect and explain. \nA. Arsenic poisoning, B. Cyanide poisoning, C. Mercuric poisoning, D. Lead poisoning', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Abdominal colic in lead poisoning is called saturnine colic.It\xa0is usually noctural colic and is a late symptom of lead poisening.', 'role': 'assistant'}]