A 70 year old male presents with hearing loss and tinnitus.On examination ha was observed to have a conductive type of deafness and a dull tympanic membrane on the right side.Lymph nodal enlargement of 3x3 cm was noted in the posterior triangle of neck.Tympanogram revealed a type B wave.The most likely diagnosis is:

• A. Nasopharyngeal malignancy
• B. Middle ear tumor
• C. T.B of middle ear
• D. Acoustic neuroma