符合如图所示的热化学方程式是 （    ）

A．CO+H2O=CO2+H2；△H="+41" kJ/mol

B．CO(g)+H2O(g)=CO2(g)+H2(g);；△H= −41 kJ/mol

C．CO2(g)+H2(g)=CO(g)+H2O(g)；△H="+41" kJ/mol

D．CO2(g)+H2(g) =CO(g)+H2O(g)；△H=−41 kJ/mol