What is the order of scrubbing?
A. Fingertips, fingertips, fingers, fingers, hand, hand, wrist, wrist, arm, arm
B. Fingertips, fingers, hand, wrist, arm, fingertips, fingers, hand, wrist, arm
C. Fingertips, fingers, hand, fingertips, fingers, hand, wrist, arm, wrist, arm
D. arm, arm, wrist, wrist, hand, hand, fingers, fingers, fingertips, fingertips