Which option is the clearest example of a theme? O A. The lion as a symbol of courage
O B. The story of how the world began
O C. Friends turning against each other
O D. Christine destroys her rival, Markus.

In a literary piece, a theme refers to the subject about which the piece has been written.

The clearest example of a theme is:

C. Friends turning against each other.

Theme of a story evokes the thoughts of the narrator and presents the reason behind writing the piece. The theme of the story helps in driving the central idea and concept. Theme helps in presenting the meaning and it allows a better interpretation and perception of the work. The theme is not directly stated by the writer.  

From the given options, the example of theme is 'friends turning against each other'.

Learn more about theme:

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what lesson are you referencing?

maybe attach the passage in case, someone has never read it!

explanation:

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-sawyer