What can we find in Andasibe? What is causing the sixth great extinction according to the polling?

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问题 What can we find in Andasibe?
What is causing the sixth great extinction according to the polling?

选项 A、Five extinction waves in the history.
B、The Permian and the Cretaceous event.
C、An errant asteroid and some volcanoes.
D、The human beings.

答案D

解析信息明示题。第一个小标题主要介绍物种灭绝的现状，同时指出，科学家们对动物数量的评估表明地球已经进入了第六次物种大灭绝时期，而这一次的诱因既不是小行星撞地球，也不是火山喷发，而是人类活动。由此可得出答案为D)。

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大学英语六级

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