Which statement is a testable hypothesis that would best address the question?
A. Are beavers eating the young willows and preventing them from
growing?
B. If beavers are eating young willows, then keeping beaver away from the young
willow trees will allow the trees to grow.
C. Beavers are eating young willows and other species of young trees.
D. Beavers will eat young willows, but not old willows.
If the willows are tasty to the deer, the beaver will eat them.