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': 'Malleus develops from \nSelect and explain. \nA. 1st arch, B. 2nd arch, C. 3rd arch, D. Otic Capsule', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Malleus and Incus develop from 1st arch.\nFootplate of stapes develop from otic capsule.', 'role': 'assistant'}]