Ants Are Able to Use the Sun for Navigation, Despite

Ants are able to use the sun for navigation, despite its movement through the sky, by

A) using time of day to correct for the trajectory of the sun.
B) only traveling at the same time each day, to keep the sun consistent.
C) always orienting away from the sun for an outward trip, and toward the sun to get home.
D) using specialized ommatidia that orient toward the sun at all times.
E) foraging to the east in the morning, and to the west in the afternoons.