单项选择题

When Stan Sovern calls the spotted owl, ()

A．a mouse appears
B．the spotted owl ignores him
C．no one answers
D．barred owls appear

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单项选择题
Logging was greatly reduced ()

A．in the northeastern United States
B．on seven million acres of public land
C．two decades ago
D．to save the barred owls
单项选择题
Barred owls like to live in ()

A．The northeastern United States
B．Canada
C．Deep, dense woods of Washington
D．Warm climates
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