Here's a problem to solve: Farmers plant fruit trees in an area that was once a grassy meadow. Which will most likely happen to the rabbits living in the meadow?

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

- A: They will learn to eat fruit.
 
- B: They will learn to climb trees.
 
- C: The number of their young will increase.
 
- D: The size of their population will decrease.
 