Which statement is a main idea of "Run, Kate Shelley, Run"? A. Kate’s father is a railroad man who teaches her to listen to the sound of a train’s whistle to determine which train it is.

B .Kate helps her mother with many chores around the house and helps care for her younger brothers and sisters.

C. After Kate helps pull the two railroad men from the water, she cannot remember what happens next.

D. When Kate warns people at the station to stop the midnight express, she prevents the death of its