Identify the row that correctly describes the oxides.
- A$\text{Al}_2\text{O}_3$: basic; $\text{K}_2\text{O}$: acidic; $\text{MgO}$: acidic; $\text{SO}_2$: amphoteric
- B$\text{Al}_2\text{O}_3$: acidic; $\text{K}_2\text{O}$: basic; $\text{MgO}$: amphoteric; $\text{SO}_2$: acidic
- C$\text{Al}_2\text{O}_3$: amphoteric; $\text{K}_2\text{O}$: basic; $\text{MgO}$: amphoteric; $\text{SO}_2$: acidic
- D$\text{Al}_2\text{O}_3$: amphoteric; $\text{K}_2\text{O}$: basic; $\text{MgO}$: basic; $\text{SO}_2$: acidic