You Are About to Assist with a Sterile Procedure

You are about to assist with a sterile procedure.In scrubbing for the procedure,it is important to

A) tightly wrap surgical tape around your rings and watch,before scrubbing.
B) keep your arms down when scrubbing to prevent fluids running up your arm.
C) scrub the fingers completely,as well as the front and back of your hands,for 3 minutes.
D) use a surgical antimicrobial solution such as alcohol or antiseptic soap.