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': 'For a patient undergoing anticoagulant therapy, who requires unavoidable dental surgical treatment, the dental surgeon should: \nSelect and explain. \nA. Not take up the patient till the therapy is over, B. Bring down the dosage and proceed further, C. Adjust the dosage before and after dental visit, D. Consult the physician of the patient for joint decision', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]