A Nurse Is Covering for a Coworker Who Is on a Lunch

A nurse is covering for a coworker who is on a lunch break.While administering medications,the nurse notices a bag of antibiotic hanging with another patient's name on it.The nurse immediately stops the infusion.What should the next step be?

A) Say nothing about the error because the patient is fine.
B) Speak with the coworker about the error and fill out the proper paperwork for documentation.
C) Tell the other coworkers about the error.
D) Tell the patient about the error.