Final answer:
The girl being turned into a spider likely occurred due to a witch's curse, as witchcraft and magical transformations are common themes in mythology and folk tales. The correct option is 1) a witch
Step-by-step explanation:
The transformation of the girl into a spider suggests a story or myth involving elements of magic or supernatural events.
Although the text provided doesn't directly answer the question, the references to witchcraft, curses, and magical transformations in literature indicate that the most likely cause of such a transformation would be a witch's spell or curse, as seen in various mythologies and folk tales.
Elements like lightning bolts of brimstone could be part of such tales, symbolizing divine or magical intervention. However, the snippets provided emphasize the role of witches and their curses, which often result in transformations and other enchantments. The correct option is 1) a witch