Here's a problem to solve: A scientist placed a sample of lithium into a container of water. The scientist observed the lithium floating and making a buzzing sound as gas bubbles were forming around it. Which conclusion is best supported by this observation?

Among the 4 following options, which is the correct answer?

- A: A chemical change took place.
 
- B: The lithium was dissolved by the water.
 
- C: Dissolved gases were released.
 
- D: Water was vaporized.
 