25℃、101 kPa下，碳、氢气、甲烷和葡萄糖的燃烧热依次是393.5kJ/mol、285.8kJ/mol、890.3kJ/mol、

2800 kJ/mol，则下列热化学方程式正确的是[ ]

A．C(s)+1/2O₂(g)＝CO(g)；△H＝－393．5 kJ/mol

B．2H₂(g)+O₂(g)＝2H₂O(g)；△H＝＋571．6 kJ/mol

C．CH₄(g)+2O₂(g)＝CO₂(g)+2H₂O(g)；△H＝－890．3 kJ/mol

D．1/2C₆H₁₂O₆(s)+3O₂(g)＝3CO₂(g)+3H₂O(l)；△H＝－1400 kJ/mol