Help what??? please give more context lol
<span>It's D. Someone in the apartment building is moving out. </span>
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
The Great Wall of China is an example of a wall used to protect a place.
The Berlin Wall is an example of a wall to keep two places separate, east and west Germany.