Answer:
She -helped- the pony.
Explanation:
It's giving you a story, what happens in the story is, she helps the pony, (when it said "she flicked the stone free")
I hope you understand now and this helps you
she helped the pony
this is because the text states that there was a stone on the soft part of the pony's hoof and they got it out and that is considered being helped
