Answer the question

On a warm sunny afternoon, ocean water splashed onto a rock. A short time later, the rock was dry. Which statement best explains what happened to the water on the rock?
Choices:
[A]. Heat caused the water to become a gas.
[B]. Heat melted the water and it disappeared.
[C]. Salt caused the water to become a gas.
[D]. Salt melted the water and it disappeared.
[A].