C, they were always using their surroundings to harvest food and resources.
I believe it is b , my reason for that is it makes more sense in my head, I try to re-check my work on the Internet and nothing has came up.
B, Myths explain natural phenomena using stories of gods and heroes.
How did soldiers protect themselves from the powerful artillery fire during World War One? Troops dug trenches as a shield and passageway for battle. What other dangers did the troops behind the trenches face? Intense warfare, craters from artillery fire, etc.