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': 'LA with adrenaline is absolutely contra- indicated in \nSelect and explain. \nA. First trimester of pregnancy, B. Hyperthyroidism, C. Hemophilia, D. Hypertension', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]