（） EithEr By Cooling or By DEpriving thE FirE oF oxygEn, AnD most Do Both.&nBsp;
A. working FirE ExtinguishErs&nBsp;
B. FirE ExtinguishErs thAt work&nBsp;
C. FirE ExtinguishErs work&nBsp;
D. thE work oF FirE ExtinguishErs&nBsp;