A victim has suffered a second-degree burn to a small area of the lower arm. What is the proper treatment for this injury?()
A、Immerse the arm in cold water for 1 to 2 hours,apply burn ointment,and bandage
B、Open any blisters with a sterile needle,apply burn ointment and bandage
C、Apply burn ointment,remove any foreign material and insure that nothing is in contact with the burn
D、Immerse the arm in cold water for 1 to 2 hours,open any blister and apply burn ointment