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': 'The minimum age at which an individual is responsible for his criminal act is: \nSelect and explain. \nA. 7 years, B. 12 years, C. 16 years, D. 21 years', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The minimum age at which an individual is responsible for his criminal act is 7 years. Children under the age of 7 years may not be criminally prosecuted. Ref: Crime and Punishment Around the World, Page 306; Sma Study Series Forensic Medicine and Toxicology By Aggarwal, Pages 23-4; The Essentials of Forensic Medicine and Toxicology By Dr KS Narayan Reddy, Page 44', 'role': 'assistant'}]