在一定条件下，CO和CH4燃烧的热化学方程式分别为：（ ）
2CO(g) + O2(g) = 2CO2(g)；△H ="-566" kJ/mol
CH4(g) + 2O2(g) = CO2(g) + 2H2O(l)；△H ="-890" kJ/mol
由1molCO和3molCH4组成的混和气在上述条件下完全燃烧时，释放的热量为
| A．2912kJ | B．2953kJ | C．3236kJ | D．3867kJ |
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