He is trying to teach Phillip how to do things by himself.
Answer:
The detail, "And someone gave little Davy Hutchinson a few pebbles", contributes to the text because his mother was the one being stoned, but the person who gave him some pebbles was suggesting that he needed to start participating at a young age, just as everyone else did.
Your answer would Be C, as all the others are just stating facts. Hope this helps!
