Answer: This sentence is a fragment
Explanation: fragments are sentences broken off/ not completed or picked off of a sentence
I think the answer is B. Lend credibility to his argument
I hope this helps! :)
If you're talking about the Witch of Blackbird Pond, then Goodwife Cruff comes to the house with a group and accuses Kit of being a witch because of her association with Hannah. I believe this was around chapter 16 or 17.