Answer :
Answer: B. Expose the victim's chest to ensure proper hand placement and full chest recoil.
Explanation:
When performing CPR, you do not want to bend your elbows, compress the victim's chest to a shallow depth, or lay the victim on a soft surface. It's important that the victim is on a hard, flat surface, that you compress to 2-2.4 inches, and that your elbows are straight. A soft surface or bent elbows may reduce the depth of your compressions.
This means that the answer is B. To ensure high-quality CPR and high-quality chest compressions, you should expose the victim's chest to ensure proper hand placement and full chest recoil.