A 63-year-old man comes to the ED complaining of gradual loss of hearing on the left.This is confirmed objectively.The Weber test reveals asymmetric findings with sound louder on the left. The Rinne...

A 63-year-old man comes to the ED complaining of gradual loss of hearing on the left.This is confirmed objectively.The Weber test reveals asymmetric findings with sound louder on the left. The Rinne test reveals bone conduction to be louder than air conduction on the left.What is the most likely explanation?

A. Excessive cerumen buildup; his ears need to be cleaned

B. Probable exposure to an aminoglycoside

C. Tumor in the cerebellopontine angle on the left

D. Too many rock concerts

E. Increased endolymph pressure and distended semicircular canals