An Adolescent Sustains an Injury While Swimming in a River

An adolescent sustains an injury while swimming in a river.Friends bring the adolescent to the riverbank and note that the adolescent is conscious and breathing but not moving any extremities.What should the friends do next?

A) Immobilize the boy, and call for help.
B) Push on his stomach to rid his lungs of water.
C) Use a four-man carry to take the boy to safety.
D) Turn him onto his stomach to allow water to drain from his lungs.