单选题
The species of black spiders discovered on Mount Everest is ______.
A、
the smallest species of spiders
B、
the highest altitude dweller among creatures of that size or larger
C、
the only creature that lives at that altitude
D、
capable of surviving in any environment
【正确答案】
B
【答案解析】
第二段提到蜘蛛dwell at higher altitudes than any other creature their size or larger，可见蜘蛛在和它大小相似或比它大点的动物当中居住海拔最高。
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