现有下列三个图象：下列反应中符合下述全部图象的反应是

A．N2(g)＋3H2(g)2NH3(g) ΔH＜0

B．2SO3(g)2SO2(g)＋O2(g) ΔH＞0

C．4NH3(g)＋5O2(g)4NO(g)＋6H2O(g) ΔH＜0

D．H2(g)＋CO(g)C(s)＋H2O(g) ΔH＞0