While it holds the door of the refrigerator open

Why should you take additional safety precautions when working with a CRT?

A) The CRT contains capacitors that can store large amounts of electricity when powered off

B) The outside of the CRT contains traces of mercury

C) The electronics inside of the CRT cannot be removed or replaced

D) The outside of the CRT is easily damaged from electrostatic discharge

E) The CRT tends to run with scissors