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: Pharmacology
[{'content': 'Maximum dose of lignocaine given with adrenaline for infiltration anaesthesia is : \nSelect and explain. \nA. 3 mg/kg, B. 5 mg/kg, C. 7 mg/kg, D. 10 mg/kg', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]