Which statement from the selection is best supported by the poem?
a,.These friendly little birds are often seen at bird feeders throughout the winter. (paragraph 2)
b.They are plump-looking critters, with black, white, and gray feathers, and they live year-round in the forests of North America, from Alaska through Canada and across the northern states. (paragraph 2)
c.Although fragile in many ways, the tiny black-capped chickadee shows how tough it really is by surviving the bitterly cold winters of northern North America. (paragraph 11)
d.Chickadees begin preparing for winter while the green leaves of summer are still on the trees. (paragraph 8)