Which of the following is a true statement? A) Begin CPR with rescue breaths
B) Always watch the chest rise and fall with each rescue breath
C) ABC is the correct order of CPR
D) Do not call 9-1-1 until you give at least 5 cycles of CPR for adults

It's b.

Explanation:

Prepare to give two rescue breaths. Give the first rescue breath — lasting one second — and watch to see if the chest rises. If the chest rises, give a second breath. If the chest doesn't rise, repeat the head-tilt, chin-lift maneuver and then give a second breath