Which is the BEST rephrasing what line?

Which is the BEST rephrasing of the following line?

When the young Dawn with fingertips of rose lit up the world, the Cyclops built a fire.

A. With a rosy touch, the Cyclops built a fire. B. At daybreak, the Cyclops built a fire. C. When Dawn was young, the Cyclops built a fire. D. Sun sets. Cyclops builds fire.