Which Action of the Nurse Is Appropriate After Leaving the Room

Which action of the nurse is appropriate after leaving the room of the patient with Clostridium difficile?

A) Wash hands thoroughly for 20 seconds with antibacterial soap and water.
B) Vigorously rub a quarter-sized dollop of hand sanitizer into both hands.
C) Perform a sterile scrub procedure using chlorhexidine soap solution.
D) Scrub the hands for 2 minutes keeping hands above the level of the elbows.