The Patient Is Admitted to the Emergency Department,having Suffered Frostbite

The patient is admitted to the emergency department,having suffered frostbite to the hands,which are grayish-white in color.When attempting to warm the hands,the nurse should:

A) have the patient rub the hands together briskly.
B) wipe the hands vigorously with a warm towel.
C) run tepid water over the hands to warm slowly.
D) wrap the hands in hot,moist towels.