According to the ship emergency plan, when average accident happened and the captain made the decision to withdraw from the engine room before leaving the engine room, the wrong operation is that （）
- Athe chief engineer leaves the engineer room with the engine room log book at first
- Breleasing compressed air in the air receiver and closing the watertight door
- Cstopping all the running machineries and electric devices
- Dclosing the quick-closing valves of all the oil tanks, stopping the boiler and releasing ga