The "mumps" was a common childhood illness before vaccination started in the United States in 1967. Stuart was born in 1940 and never received a vaccination. He ended up contracting mumps as a child and, as a result, is completely unable to perceive any sound through his ears. Which of the following terms most accurately describes Stuart's condition? A.
late-deafened

B.
oral deaf

C.
profound deafness

D.
manual deaf