下列热化学方程式中，△H能正确表示物质的燃烧热或中和热的是

A．2H2(g) + O2(g) ==2H2O(l)ΔH==－572kJ·mol^—1

B．KOH(aq)+ CH3COOH (aq) ＝CH3COOK (aq)+H2O(l)；△H＝－57.3 kJ·mol^–1

C．C8H18(l)+ 12.5O2 (g) ＝ 8CO2 (g)+ 9H2O(l)；△H＝－5518 kJ·mol^–1

D．CH4(g) + 2O2(g) ==CO2(g) + 2H2O(g)ΔH==－533kJ·mol^—1