The correct answer is C) Kate saves the lives of two railroad crewmen by risking her own safety to lead a rescue party to them.
The statement that is the main idea of "Run, Kate Shelley, Run" is "Kate saves the lives of two railroad crew men by risking her own safety to lead a rescue party to them."
This is the story of the heroine Kate Shelley who prevented a railroad accident thanks to her tenacity and conviction. Despite the difficult weather conditions of the moment and the heavy rain with strong wind, she decided to follow her heart and do the right thing.
People from Iowa were amazed at her deed that wanted Kate to be awarded. She received 100 dollars and a pass for life to travel by train.