Which points are the fixed points of the liquid-in-glass thermometer shown?
- Athe beginning and end points of the column of liquid
- Bthe points marked $-10\,^{\circ}\text{C}$ and $110\,^{\circ}\text{C}$
- Cthe points marked $0\,^{\circ}\text{C}$ and $100\,^{\circ}\text{C}$
- Dthe top and bottom points of the thermometer bulb