已知氢气的燃烧热为286 kJ/mol；且H₂O(g) = H₂O(l) ΔH = —44 kJ/mol。下列热化学方程式正确的是

A．2H2(g) + O2(g) = 2H2O(g)ΔH = —286 kJ/mol

B．2H2(g) + O2(g) = 2H2O(g)ΔH = —572 kJ/mol

C．H2(g) + O2(g) = H2O(g)ΔH = —330 kJ/mol

D．H2O(g) = H2(g) + O2(g)ΔH=+242kJ/mol