Which definite article would work best in the following sentence top of the mountain was in sight

a-the
b- a
c- an

Answer all plzz it’s due tomorrow i need it

Diego rivera was a famous artist from mexico. most of his paintings were murals. murals are paintings that are made directly on a wall. rivera thought that all people should be able to see beautiful art, not just people who could afford to go to museums. this is why he painted most of his murals on the walls of public buildings

Who is ¨ the guilty party¨ at the end of the text, and how do his actions contribute to the storys theme?