In a titration experiment, an acid is put into a burette. The diagrams show part of the burette at the beginning of the titration and at the end-point. What volume of acid is used in the titration?
- A$3.7\,\text{cm}^3$
- B$4.9\,\text{cm}^3$
- C$5.1\,\text{cm}^3$
- D$6.3\,\text{cm}^3$