Why is this excerpt a good example of a feature often found in a myth? A:It features a reference to the earth.
B:It features a reference to the sky.
C:It features a reference to the origin of the tribe.
D: it features a reference to a supernatural being.

D: It features a reference to a supernatural being.

Explanation:

"The Beginnings of the Maasai" is a creation myth that talks about the creation or beginning of the Maasai tribe and how their life revolves around the divine and nature. The given passage is also evidence of how the tribe revere and maintain a relationship with certain entities of god and their overall 'love' for all things including nature.

In the given passage, the narrator reveals how the people take their relationship with "Enkai" as an essential part of their lives. The god also exudes different entities depending on his 'mood', "Enkai Narok" for the happy and calm god while "Enkai Nonyokie" or the red Sun when angry.

Myths are 'stories' or tales that revolve around a certain issue or topic and also includes the presence or involvement of supernatural or divine beings. And through the reference to the divine or supernatural being, the passage is a good example of a myth.  

Thus, the correct answer is option D.