Which Describes the Ideal Placement of the Hands When Giving

Which describes the ideal placement of the hands when giving chest compressions to an adult?

A) Place only one hand with the palm down and open, over the top of the patient's chest.
B) Place two hands with the fingers interlocked, over the top of the patient's chest.
C) Place the heel of one hand with the other hand on top, over the center of the patient's chest.
D) Place the heels of both hands together and down, over the center of the patient's chest.