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
Typically, the use of ellipses indicate that there is a small pause that the reader should take before reading more. usually ellipses are used for dramatic moments, to help build suspense, or sad moments in a story.
I’m not saying this is the answer, However ( Autobiography ) sounds Like the best option. =)
