A young man was swimming at the beach when an exceptionally large wave caused him to be drawn under the water. His family members found him in the water and pulled him ashore. He states that he heard something snap in his neck. When a nurse arrives, he is conscious and lying on his back. He states that he has no pain. He is unable to move his legs. How should he be transported?

D Position in an upright position with a firm neck collar. B Apply a neck collar and position supine on a backboard. C Log roll him to a rigid backboard. A Position him in a prone position and place on a backboard.