NEW YORK—As three maintenance workers lugged the corpse of an unidentified man off the tracks ahead, Brooklyn-bound C train operator Martin Carter assured passengers they would be moving shortly. “Sorry folks, we’re experiencing a brief technical delay,” the 16-year MTA veteran told passengers as a man’s lifeless, nearly severed body was dragged out of the way of trains ahead, leaving a trail of blood and brain matter in it its wake. “We apologize for the wait. Should be cleared momentarily.” At press time, the train’s occupants were cursing the six-minute delay.