Which of the following is the best description of the difference between the theme and central idea of a story?

A. The theme and central idea are usually expressions of the same idea.

B. The central idea of a story is derived from details of the story's theme.

C. The theme refers to story elements, while the central idea refers to a message.

D. The theme is universal, while the central idea is specific to the story.

C. The theme refers to story elements, while the central idea refers to a message.