In the context of traumatic arrest from a penetrating chest injury, what is the role of CPR?

A) CPR is the primary intervention to restore normal heart rhythm and circulation.
B) CPR should be initiated only if the victim is not breathing.
C) CPR is generally not recommended for traumatic arrest due to penetrating chest injuries.
D) CPR should focus on chest compressions alone, avoiding rescue breaths.
E) CPR is effective in addressing the underlying cause of traumatic arrest from penetrating chest injury.