Diagram 1 shows a measuring cylinder that contains some water. Diagram 2 shows the same measuring cylinder after a piece of rock has been lowered slowly into the water. What is the volume of the piece of rock?
- A$15\ \text{cm}^3$
- B$20\ \text{cm}^3$
- C$23\ \text{cm}^3$
- D$35\ \text{cm}^3$