At $20^{\circ}\text{C}$, which substance in the table is in the liquid state?
- Amelting point $-218^{\circ}\text{C}$, boiling point $-183^{\circ}\text{C}$
- Bmelting point $-39^{\circ}\text{C}$, boiling point $357^{\circ}\text{C}$
- Cmelting point $44^{\circ}\text{C}$, boiling point $280^{\circ}\text{C}$
- Dmelting point $119^{\circ}\text{C}$, boiling point $444^{\circ}\text{C}$