Answer:
hey so i would say the answer is A. Bipdalism
Explanation:
bipdalism (bipedalism??) is more about human evolution and is being two-footed, like using your two feet to stand and walk around.
huts, bow and arrow, and fire can be considered to be technology. you can live in a hut for shelter, use bow and arrow to hunt, and fire for all kinds of things (cooking, warmth, protection)
