Questions 1-4What is typical of "umbrella
题型：单项选择题
问题：
Questions 1-4
What is typical of "umbrella species"？（）
A．Their survival is closely related to numerous other species living in the same habitats.
B．Their enormous size makes them the king animals superior over numerous other species.
C．They usually live on top of the mountains so that it is difficult for humans to hunt.
D．They enjoy privileges as with special measures and extra protection from human beings.