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: ENT
[{'content': 'Tubercular laryngitis affects primarily - \nSelect and explain. \nA. Anterior commissure, B. Posterior commissure of larynx, C. Anywhere within the larynx, D. Superior surface of larynx', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tuberculosis affects posterior part of larynx more than anterior part.\nParts affected are: Inter arytenoid fold > Ventricular bands > Vocal cords > Epiglottis', 'role': 'assistant'}]