单选题
Human beings differ from animals because they can ______.
A、
adapt to their environment
B、
control their environment
C、
adapt the environment to their need
D、
observe and understand their environment
【正确答案】
D
【答案解析】
解析：由第一段第一句可知，人与动物的区别在于人有观察和理解他所在环境的能力。
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