X and Y are two elements from Period 3 in the Periodic Table, and together they produce compound Z. X gives a soluble acidic oxide. In this oxide, the oxidation number of X is $+4$. Y gives an amphoteric oxide. What is the formula of compound Z?
- A$\text{AlP}$
- B$\text{Al}_2\text{S}_3$
- C$\text{Si}_2\text{P}_5$
- D$\text{SiS}_2$