A person able to hear only high-frequency sounds would probably have which of the following structural problems in the ear?
A)The tympanum is damaged because of chronic ear infections. B)The basilar membrane is stiffened along its entire length. C)The ear ossicles are abnormally thickened. D)The otoliths are unable to press on the hairs protruding into the gel in the inner ear. E)The utricle is damaged.