Which statement is a main idea of "Run, Kate Shelley, Run"?
A. By alerting the railroad men at the station in time to stop the midnight express, Kate prevents a train wreck.
B. The rain and wind put out Kate’s only lantern, so she must feel her way in the dark to reach the station.
C. Kate is so exhausted from leading the rescue party to the stranded men that she loses her way.
D. When Kate is a young girl, her father teaches her to identify the names of trains by the sound of their whistles.
