Under Which of the Following Conditions Would You Expect Habituation

Under which of the following conditions would you expect habituation to occur?

A) Prairie dogs in a zoo will habituate to the loud noise of people outside their enclosure.
B) Deer in a national forest where hunting is allowed will habituate to hikers.
C) Wrasse on a reef will habituate to predators that are common visitors to a reef.
D) Squirrels in a woodland will habituate to hawks that frequent the woods every few weeks.
E) Geese defending their nest and chicks become habituated to humans walking close to their nest.