A Novice Nurse Works with a Nurse Preceptor on a Busy

A novice nurse works with a nurse preceptor on a busy medical surgical unit.Which action by the novice nurse requires intervention by the nurse preceptor when observing the novice nurse performing hand hygiene?

A) Washing hands with warm soapy water for 15 seconds.
B) Using a waterless foam sanitizer before entering the room of a client.
C) Cleaning under the fingernails with an orangewood stick.
D) Drying hands thoroughly with fingers pointing up.