由下列数据确定NO(g)的△fHmӨ为（）NH(g)→N(g)+H(g)，△HӨ=.kJ/molH(g)+/O(g)→HO(g)，△HӨ=.kJ/molNH(g)+O(g)→NO(g)+HO(g)，△HӨ=.kJ/molA.kJ/molB.kJ/molC.kJ/molDkJ/mol