This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Anaesthesia
[{'content': 'Regarding neuraxial anesthesia, which of the following statement is true? \nSelect and explain. \nA. Aspirin should be stopped 7 days before surgery, B. Unfractionated heparin should be stopped 7 days before surgery, C. Fondaparinux should be stopped 7 days before surgery, D. Clopidrogrel should be stopped 7 days before surgery', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]