Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?（）.
- AUse the C02 system and evacuate the engine room
- BUse the fire main system and evacuate the engine room
- CEvacuate the engine room and use the C02 system
- DEvacuate the engine room and use the fire main system