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
Anaemia, punctate basophilia, constipation, blue line and abdominal colic are characreristic of - 
Select and explain. 
A. Opium addiction, B. Arsenic poisoning, C. Mercuric poisoning, D. Lead poisoning
D: Lead poisoning
Answer: D: Lead poisoning 
Explanation: ​Anemia, punctuate basophilia, constipation, blue line on gums and abdominal colic suggest the diagnosis of chronic lead poisoning.