What is the change in oxidation number of $S$ in the following reaction?
$H_2S + NO_3^- \longrightarrow H_2O + NO + S$
$H_2S + NO_3^- \longrightarrow H_2O + NO + S$
- A$-2$ to $0$
- B$0$ to $-2$
- C$-2$ to $+2$
- D$0$ to $+2$
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