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: Surgery
[{'content': 'The maximum dose of lignocaine without adrenaline that can be admitted to a patient is \nSelect and explain. \nA. 4 Mg/Kg body wt, B. 5 Mg/Kg body wt, C. 7 Mg/Kg body wt, D. 9 Mg/Kg body wt', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]