Which of the Following Is a Neurological Explanation of Why

Which of the following is a neurological explanation of why auditory acuity declines during midlife?

A) The eardrum and other structures in the inner ear become less flexible.
B) The auditory cortex in the brain becomes less efficient in processing information from the inner ear.
C) The cilia in the inner ear begin to thin making more difficult to hear.
D) The pinna and external auditory canal become less flexible and pliable,therefore making it more difficult to capture environmental sounds.