![](https://lstatic.shangxueba.com/jiandati/h5/images/m_q_title.png)
The number of the bellbird in New Zealand got controlled by ______.A.the decrease in distr
The number of the bellbird in New Zealand got controlled by ______.
A.the decrease in distribution
B.human predation
C.deliberate introduction of its enemy animal
D.spread of certain kind of disease