图为某化学反应的速率-时间图。在t₁时刻升高温度或增大压强，都符合如图所示变化的反应是

A．SO2(g) + O2(g) = 2SO3(g)△H < 0

B．C(s) + H2O(g) =" CO(g)" + H2(g)△H > 0

C．H2(g) + I2(g) = 2HI(g)△H > 0

D．4NH3(g) + 5O2(g) =" 4NO(g)" + 6H2O(g) △H < 0