Which of the Following Behaviors Would Be Unlikely to Involve

Which of the following behaviors would be unlikely to involve imprinting?

A) A songbird that engages in solitary migration using star navigation returns each year to the district where it was hatched.
B) A nestling male songbird raised in the nest of a different species grows up to sing the song of his foster species.
C) A nestling male sparrow learns the "dialect" of song that is used in his native district.
D) A migrating mother gazelle leaves her calf hidden in grass while she feeds and always returns to the correct patch of grass.