Here's a problem to solve: Petrified palm trees are found in sedimentary rock near glaciers. The presence of the petrified palm trees most likely provides evidence for which statement?

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

- A: There was once more water in the area.
 
- B: The area was once grassland.
 
- C: The climate in the area was once tropical.
 
- D: There are active faults in the area.
 