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
Which of the following will have maximum conductive hearing loss? 
Select and explain. 
A. 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
D: Intact tympanic membrane with ossicular discontinuity
Answer: D: Intact tympanic membrane with ossicular discontinuity 
Explanation: (Refer: PL Dhingra, Textbook of Ear, Nose, Throat, 6th edition, pg no: 34)
Hearing loss in conduction apparatus