An Adjunct Professor Has a Flash Drive Attached to a USB

An adjunct professor has a flash drive attached to a USB on the computer in the adjunct office. The teacher was called away unexpectedly. The departmental secretary should

A) Power down the computer before removing the drive.
B) Use the Add/Remove Hardware control panel to remove the drive.
C) Gently remove the drive from the computer.
D) Stop the drive and remove it.