TOEFL Listening: TPO-TOEFL阅读TPO - I0PXI5HSHGJ8K3O4N$

In paragraph 1, why does the author mention what happened in New Zealand? A. To indicate that Darwin understood the importance of competition B. To illustrate that competition can lead to the extinction of species C. To identify where the idea of competition among species first arose D. To argue against the idea that the process of selection is a natural occurrence