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': 'Specimens for toxicological studies are preserved in: DNB 09; Maharashtra 11; AFMC 12 \nSelect and explain. \nA. 10% of formaldehyde, B. Alcohol, C. Saturated solution of common salt, D. Normal saline', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Saturated solution of common salt', 'role': 'assistant'}]