27. According to the notes, what do birds do if their babies have the smell of people on them?
(A) They keep taking care of them.
(B) They push them out of the nest.
(C) They clean them until the smell goes away.
(D)They leave them behind and move to a new nest.
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統計: A(275), B(55), C(44), D(49), E(0) #3104707
統計: A(275), B(55), C(44), D(49), E(0) #3104707