X and Y are the reagents needed to change 1-bromopropane into butanoic acid. Which substances are X and Y?
- AX: $\text{NH}_3$, Y: $\text{HCl(aq)}$
- BX: $\text{KCN in C}_2\text{H}_5\text{OH}$, Y: $\text{NaOH(aq)}$
- CX: $\text{KCN in C}_2\text{H}_5\text{OH}$, Y: $\text{HCl(aq)}$
- DX: $\text{HCN}$, Y: $\text{NaOH(aq)}$