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单选题
While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take FIRST?（）
A
Secure the burners then proceed to your assigned boat station
B
Start the fire pump and establish flow to the fire main
C
Open the guardian valve and standby to maneuver
D
Open the master control valves on the fixed CO2 system
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