A baseball player was hit in the head with a bat during practice. In the emergency department, the ...

A baseball player was hit in the head with a bat during practice. In the emergency department, the physician tells the family that he has a coup injury.
 
  How will the nurse explain this to the family so they can understand?
  A)
  It's like squeezing an orange so tight that the juice runs out of the top.
  B)
  Your son has a huge laceration inside his brain where the bat hit his skull.
  C)
  Your son has a contusion of the brain at the site where the bat hit his head.
  D)
  When the bat hit his head, his neck jerked backward causing injury to the spine.