The reaction equation for iron(III) oxide with carbon monoxide is shown. $\text{Fe}_2\text{O}_3 + x\text{CO} \rightarrow y\text{Fe} + z\text{CO}_2$. Which values of $x$, $y$ and $z$ make the equation balanced?
- A$x=2,\;y=2,\;z=2$
- B$x=2,\;y=3,\;z=3$
- C$x=3,\;y=1,\;z=3$
- D$x=3,\;y=2,\;z=3$