B: Set the mood for the scene that follows.
The author is obviously trying to set something up to happen here, most likely the entrance of another character and/or some dialogue. It would't make sense for there to bee any foreshadowing with such a warm atmosphere, and the author is describing the setting, not the characters.
Look at context clues in your sources
Answer:
She ran away from the toy snake
Hi? Can you please make your question more clear I think you forgot to add something