Question

Who did the girls believe was approaching the dyna when they stopped?

Answer 1

In the context of your question, it seems you're referring to a specific scene from a book, story, or media involving a character or characters who are stopping a dyna (possibly a vehicle). However, without additional details or context, it's difficult to provide an accurate answer. If you can clarify the title or provide more information about the scene or characters involved, I'd be happy to help!