The answer would be that the tone is peaceful because it sounded like the lady gave him something and that's why he's saying thank you. It's not really joyful and the boy didn't do crazy things so that eliminates suspensful and joyful. The reason I didn't choose angry and violent is because even thought she shut the door, she didn't slam the door. So Peaceful is the answer
Huck Finn finds himself on wild and crazy episodic adventures throughout the book. Second, the novel can be considered a part of the bildungsroman genre that tells a coming of age story. Huck learns valuable life lessons through his adventures.