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: Anatomy
[{'content': 'Laryngeal membranes are classified into extrinsic and intrinsic. Extrinsic membranes of larynx are all, EXCEPT? \nSelect and explain. \nA. Cricothyroid membrane, B. Thyrohyoid membrane, C. Quadrangular membrane, D. Cricotracheal membrane', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Extrinsic membranes of larynx:Thyrohyoid membraneCricothyroid membraneCricotracheal membraneIntrinsic membranes of larynx:Cricovocal membraneQuadrangular membrane', 'role': 'assistant'}]