You are learning to throw a hand grenade, and it's time to try the real thing! A fellow recruit gets off a bad lob, and the grenade doesn't travel as far as it should. You hear him yell, "Help! Help!" What do you do next? Select the best answer.

A. Be sure there are no more grenades being thrown and move cautiously toward the injured private.
B. Wait 2 minutes, then go help the private.
C. Let the drill sergeants take care of the private. It's not worth the risk.
D. Run to the private's aid.