C is the answer your looking for
An example of an adaptation would be<span> a story presented as a play
In Literature, adaptation refers to converting a certain literary source (novel, poem, etc) into another genre medium of art such as film, stage, or even mobile games. The purpose of this is to reach a wider audience that may not be used to read a written literature.</span>
First question: The backstory gives the audience information about the events that occurred before the play began.
Second question: The main purpose of a backstory is to explain what has happened before the story.
