单项选择题

A．When it is breeding.
B．When it feels threatened by humans in its territory.
C．When its offspring is threatened.
D．When it is suffering from illness.
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单项选择题
A．To the Nile River.B．To the museum of Natural History,C．To Colorado.D．To Arizona.
A．To the Nile River.
B．To the museum of Natural History,
C．To Colorado.
D．To Arizona.
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J
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