This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: ENT
[{'content': 'Saccule develops from \nSelect and explain. \nA. Saccus anterior, B. saccus medius, C. Pars superior, D. Pars Inferior', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ref : hazarika 4th ed', 'role': 'assistant'}]