X is the ion of a metal that burns with a red flame. Y is an ion which, when it reacts with concentrated $\text{H}_2\text{SO}_4$, produces $\text{H}_2\text{S}$. What might the formula of a compound containing X and Y be?
- A$\text{BaBr}_2$
- B$\text{BaI}_2$
- C$\text{SrBr}_2$
- D$\text{SrI}_2$