在同温同压下，下列各组热化学方程式中Q₂>Q₁的是  (  )

A．2H2(g)＋O2(g)====2H2O(g)ΔH=－Q12H2(g)＋O2(g)====2H2O(l)ΔH=－Q2

B．S(g)＋O2(g)====SO2(g) ΔH=－Q1S(s)＋O2(g)====SO2(g) ΔH=－Q2

C．C(s)＋O2(g)="===CO(g)" ΔH=－Q1C(s)＋O2(g)====CO2(g) ΔH=－Q2

D．H2(g)＋Cl2(g)="===2HCl(g)" ΔH=－Q1H2(g)＋Cl2(g)="===HCl(g)" ΔH=－Q2