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': 'All are true about bupivacaine Except : \nSelect and explain. \nA. Less cardiotoxic than lignocaine, B. Dose increases with adrenaline, C. Long acting, D. Cannot be given in vein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]