When the police broke into the room, they were terrified at the scene: a middle-aged man  lying on the floor, with a cupboard _______him, his feet and hands ______ tight with electric wires, his throat _____ open and a pair of scissors ______ deep in the chest.

A．covered; tied; cut; cut

B．covering; tying; cutting; cutting

C．covering; tied; cut; cutting

D．covered; were tied; cut; cutting