What really happened in the forest? Abigail had an affair with John Abigail drank a potion of blood made by Tituba the spirits of the dead Putnam babies appeared to the girls Tituba initiated the girls as witches

Abigail tells the adults that they just danced in the forest but in reality Abigail drank blood (drank a charm to kill John proctors wife - goody proctor) and mercy ran naked through the woods. They also participated in chanting and dancing with Tituba.

So the answer is B) Abigail drank a potion of blood made by Tituba