What is the main idea of this excerpt?
Harriet worked for a man called Mr. Flint who became very impatient when she did not finish her work.
Harriet waited until after midnight to run down the stairs and jump out of a window into the rain.
Harriet was a frightened young girl who found the faith and courage to leave her home for an unknown life.
Harriet felt very nervous about running away because she did not like being alone in the darkness.