Here's a problem to solve: A student removes an ice cube tray from the freezer and places it on a table. The ice cubes are solid and cold. The student forgets to put the ice cube tray back into the freezer. The next day, the ice cubes should be

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

- A: liquid and warmer
 
- B: solid and warmer
 
- C: liquid and colder
 
- D: solid and colder
 