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': 'Laryngocele arises as a heriniation of laryngeal mucosa\nthrough the following membrane: \nSelect and explain. \nA. Thyrohyoid, B. Cricothyroid, C. Crico-tracheal, D. Cricosternal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]