According to the Work of Sherman (1977, 1980, 1985), During

According to the work of Sherman (1977, 1980, 1985) , during which he observed a colony of Belding's ground squirrels (Spermophilus beldingi) , which of the following would be most likely to give an alarm call for a aerial predator?

A) a reproductive female with daughters present
B) a reproductive female with no kin present
C) an older, experienced individual on the outskirts of the colony at a safe distance from the predatory bird.
D) an individual in an exposed position and close to the predatory bird.