The reactions of three metals and their oxides are shown. What is the reactivity order of these metals, from most reactive to least reactive?
- A$1 \rightarrow 2 \rightarrow 3$
- B$1 \rightarrow 3 \rightarrow 2$
- C$2 \rightarrow 1 \rightarrow 3$
- D$2 \rightarrow 3 \rightarrow 1$