Answer:
The best option is A) Setting is used to emphasize ideas and theme.
Explanation:
Setting is one of the elements of a story. It is the context that surrounds the story - be it fiction or non-fiction -, its time and place. It usually takes one of three forms: an outdoor place, such as a forest; a public or private place that has some importance for the characters, such as a house or a park; the cultural and historical background, which helps readers understand what sort of influences that characters were under.
Thus, the setting is a vital element to convey ideas and theme, as well as create the mood and emotional response for readers. The setting can be so important in a narrative that it may become a character in itself. In Edgar Allan Poe's "The Fall of the House of Usher", for example, the house where Usher lives influences him and the narrator. It's as if the house is alive, haunted, driving those who stay in it to madness. Without the proper setting, however, this story wouldn't provoke the same emotional response in readers - fear, suspense etc.
