Malcolm Had Been a Professional Hockey Player with a Great

Malcolm had been a professional hockey player with a great sense of his position in space. Even after retiring from professional hockey Malcom continued to play in seniors' hockey leagues. During one of those seniors games, John (a player on the opposite team) knocked Malcolm to the ice and Malcolm hit his head hard enough to acquire brain damage. After the accident, John developed an enormous amount of guilt, which prompted him to enrol in Introduction to Psychology to learn more about brain function and neuroscience.
-When John visits Malcolm in the hospital he jokes and says "At least your medulla was not damaged." This is because if the medulla was damaged,Malcolm ____________________.

A) would not be able to experience sexual interest ever again
B) would lose his ability for voluntary motor movement and develop Parkinson's
C) would die because he wouldn't be able to breathe anymore
D) would no longer experience fear