已知：Fe₂O₃(s)＋3C(石墨)=2Fe(s)＋3CO(g)ΔH＝＋489.0 kJ·mol^－1①
CO(g)＋O₂(g)=CO₂(g)ΔH＝－283.0 kJ·mol^－1②
C(石墨)＋O₂(g)=CO₂(g)ΔH＝－393.5 kJ·mol^－1③
则4Fe(s)＋3O₂(g)=2Fe₂O₃(s)的ΔH为(　　)

A．＋1 164.1 kJ·mol^－^1	B．－1 641.0 kJ·mol^－^1
C．－259.7 kJ·mol^－^1	D．－519.4 kJ·mol^－^1