You find that the victim is not responsive, not breathing normally, and you've called 911. what is your next treatment?   a. begin rescue breathing and then check for a pulse after two minutes b. begin abdominal thrusts to clear the airway. then check for a pulse c. begin chest compressions at a rate of 100-120 per minute and give 2 rescue breaths after every 30 compressions d. give rescue breaths at a rate of 1 every 5 seconds until the victim begins to respond