Which Was Not One of the Norms Developed by the Wiremen

Which was not one of the norms developed by the wiremen at Western Electric Company's Hawthorne plant in Chicago?

A) You should not turn out too much work.
B) You should not turn out too little work.
C) You should not act officious.
D) You should not blame your co-worker for something you did.
E) You should not tell a supervisor anything that will be detrimental to a co-worker.