You receive a call to a local daycare center for a 3-year old boy who is not breathing. When you arrive and assess the child, you find him to be in cardiopulmonary arrest. You initiate CPR and request a back-up ambulance. A paramedic unit arrives at the scene to provide assistance. After one of the paramedics intubates the child, you should deliver ventilations at a rate of
A. 6 to 8 breaths/min
B. 8 to 10 breaths/min
C. 10 to 12 breaths/min
D. 12 to 20 breaths/min.