Why does the moon have different phases? a) the sun moves around the moon b) the moon moves around the sun c) the moon moves around the earth d) the moon follows the sun around the earth

Well Her's what i know:

(A) is wrong because the Sun stays in place. It doesn't orbit around anything!
(B) Is also wrong because the Moon doesn't orbit around the sun!
(C) is correct because the Earth moves around the Sun, and the Moon moves around the Earth.
(D) is wrong because (C is already correct) the moon doesn't follow the Sun around the Earth because the Sun doesn't move!

Supernatural elements.