You are called to the scene of a man down. Dispatch reports the man is pulseless and bystanders are doing CPR. According to the NREMT Cardiac Arrest Management/AED skill sheet, which of the following sequences is appropriate?

A. Check for responsiveness, Assess for breathing, Check carotid pulse , put your gloves on
B. Question the bystanders, direct them to stop CPR , check for pulse and then attach the AED, Begin chest compressions
C. Turn on power to AED, open the patient's airway, insert an adjunct and then analyze the rhythm while doing chest compressions
D. Check breathing and pulse simultaneously, patient is pulseless and apneic, immediately begin chest compressions