单项选择题

Despite certainhabits of the North American screech owl, it performs the majority of its hunting alone, in alpine forests, unfettered by

A． predatory… ecology
B． instinctual … behavior
C． exogamous… kinship
D． omnivorous … diet
E． diurnal… darkness

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单项选择题

单项选择题

Despite certain______habits of the North American screech owl, it performs the majority of its hunting alone, in alpine forests, unfettered by______