Given the fact "when an electrical conductor is plugged into an outlet , a circuit is completed", what is the answer to the question or completion "A man plugs his television into an outlet behind a cabinet. He sees that the television may now be turned on so that he can watch his favorite show. The man knows that by hooking the t.v. cord into the outlet"

Pick your answer from:
(I) he completed a lap.
(II) he made a good deal.
(III) he invented new circuits.
(IV) he completed a circuit.
(IV)