According to many scientists, legends from any nation have come, they have a lot of similarities and some kind of common origin, transmitted through thousands of generations. Many legends share the same or similar heroic characters, incidents, the structure of the story. The question arises whether these peoples during the prehistoric and historical migrations came in contact with each other and shared these legends, or simply in the genetic structure of all, there is the same tendency to speak of some historical events. These events are transmitted orally and are always permeated with the mythological world of gods, with the motive of exalting one's own values and the importance of the beliefs they have. Of course over time there are various additions, enlargements, ie exaggerations, as the need for a specific ethnicity to complete mythological moments, and thus become part of the oral tradition and culture.
I would say the answer is: C.