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': 'WYDASE is: \nSelect and explain. \nA. Jet injector., B. Hyaluronidase., C. CCLAD., D. EDA.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]