Here's a problem to solve: Female seals usually return to the same beaches year after year to give birth. If they are repeatedly disturbed by humans at those beaches, how will the seals most likely respond?

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

- A: They will change color.
 
- B: They will give birth to more pups.
 
- C: They will hunt for food more often.
 
- D: They will give birth at different beaches.
 