There are three correct answers here:
1. The time of day during which the story takes place
2. The city in which the story takes place
3. The atmosphere or mood of the place.
Characters exist in the setting but aren't part of it in the same way we live on Earth but aren't part of the Earth's composition.
Answer:
the answer is D, the same as mine
the tone is the general character or attitude of a place, piece of writing, situation, etc.
The correct answer is yes.
The is the is the answer is D