Answer:
People who are reading the story.
Step-by-step explanation:
Literature includes any written piece or material that is presumed to have artistic or intellectual value. It includes numerous classifications like poetry,drama, story, fiction, non-fiction, epic,prose,verse,etc. In the given question, the example that illustrates the audience of a piece of literature is 'people who are reading the story' as the story displays a piece of literature and people reading it represents the audience for whom the art(story) was created. Thus, option third is the answer.