Which Action Indicates to the Operating Room Supervisor That the Scrub

Which action indicates to the operating room supervisor that the scrub nurse requires additional teaching about sterile technique?

A) A small amount of sterile saline is poured out before it is poured into the basin.
B) The nurse disposes of any equipment packages that are in poor condition.
C) Sterile surgical supplies are placed in the center of the sterile field.
D) The sterile saline bottle cap is placed in the center of the sterile field.