单选题The best method of extinguishing a class A fire is to（）.Aremove oxygen from the areaBcool fuel below ignition temperatureCsmother with CO2Dsmother fire with foam
单选题
The best method of extinguishing a class A fire is to（）.
A
remove oxygen from the area
B
cool fuel below ignition temperature
C
smother with CO2
D
smother fire with foam
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