A young man presents with an accident leading to loss of hearing in the right ear.On otoscopic examination the tympanic membrane was intact.Pure tone audiometry shows an Air - Bone gap of 55 dB in the right ear with normal cochlear reserve.Which of the following will be the likely tympanometry finding

• A. Ad type tympanogram
• B. As type tympanogram
• C. C type tympanogram
• D. B type tympanogram