Your Colleague Proposes to Test the Mechanism of Ant Navigation

Your colleague proposes to test the mechanism of ant navigation by placing a food source 7 m from the nest.She will then pick up the ants from the nest and move them 4 meters from the nest (3 m from the food source) .Based on the previous data,when do you expect the ants to start searching for their nest on their return trip?

A) after they have traveled 3 meters from the food source
B) after they have traveled 4 meters from the food source
C) after they have traveled 7 meters from the food source
D) All of A,B,and C are incorrect.