All of the Following Statements Regarding Processing of Contaminated Instruments

All of the following statements regarding processing of contaminated instruments are true except which one?

A) Instruments should be processed in an area separate from where clean instruments are stored.
B) Personnel should wear heavy-duty utility gloves.
C) Instruments need cleaning only if they have visible contamination.
D) Instruments should be heat-sterilized unless they are heat-sensitive.
E) Cleaning an instrument precedes all sterilization and disinfection processes.