Which element in a story can the reader better understand the storys theme

The element in a story that can help the reader better understand the story's theme is setting.

Explanation:

The setting presents the location where the story develops, therefore the author has to describe the elements that surround it, this gives the reader a clearer idea of the environment and gives clues about the way characters live, apart from giving a vision of the atmosphere it also helps the reader to create a connection with the story.

resents dr jekyll

explanation:

that is the answer