题目内容：
The author cites the behavior of warm—blooded mammals in order to illustrate which of the following?
A．A living thing may have the ability to create an environment of its ow B．A living creature may have the ability to remain still when an enemy is nea
C．A living creature may have the ability to make food from its inorganic chemical
D．A living creature may have the ability to change the color of its ski
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答案解析：