下列热化学方程式中的△H能正确表示物质的燃烧热的是

A．CO(g)+1/2O2(g) = CO2(g)△H ＝-283．0 kJ/mol

B．C(s) +1/2O2(g) = CO(g)△H ＝-110．5 kJ/mol

C．H2(g) +1/2O2(g) = H2O(g)△H ＝-241．8 kJ/mol

D．2C8H18(l) +25O2(g) = 16CO2(g)+18H2O(l)△H ＝-11036 kJ/mol