A class B fire is most successfully fought by（）.<br>A:preventing oxygen from reaching the burning material<br>B:cooling the burning material below its ignition temperature<br>C:using the extinguishing agent to make the burning material fire-resistant<br>D:using the extinguishing agent to absorb the heat

A class B fire is most successfully fought by（）.
A:preventing oxygen from reaching the burning material
B:cooling the burning material below its ignition temperature
C:using the extinguishing agent to make the burning material fire-resistant
D:using the extinguishing agent to absorb the heat

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