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: Unknown
[{'content': 'Which of the following will have maximum conductive hearing loss? \nSelect and explain. \nA. Partial stapes fixation, B. Tympanic membrane perforation with intact ossicular chain, C. Tympanic membrane perforation with ossicular discontinuity, D. Intact tympanic membrane with ossicular discontinuity', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (Refer: PL Dhingra, Textbook of Ear, Nose, Throat, 6th edition, pg no: 34)\nHearing loss in conduction apparatus', 'role': 'assistant'}]