Here's a problem to solve: A climax fire ecosystem requires periodic forest fires to maintain stability. Which of these would be the most likely result of preventing natural fires from occurring in this ecosystem?

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

- A: Pine species would reproduce more rapidly.
 
- B: Broadleaf species would replace pine species.
 
- C: Burning areas would be more easily contained.
 
- D: Trees would spread into previously unforested areas.
 