PLS HELP!
Story Name:A miller, his son, and Their Donkey.
Which belongs in the summary because it is an important event caused by the main problem?
A:The miller takes his son's place on the donkey's back
B:The donkey walks even slower with the son riding on his back
C;An older couple on power scooters whizzes by the miller, his son, and their donkey.
D:A man complains that the father should let the boy ride the donkey