Final answer:
A characteristic of theme is that it runs throughout a text. Theme is not limited to literature alone, and it is distinct from a moral. Each piece of work may have different themes.
Step-by-step explanation:
A characteristic of theme is that it runs throughout a text, which makes option OC the correct answer. Theme is not limited to literature alone, as it can also be found in other forms of media such as film and music. It is important to note that theme is not the same as a moral, as it is a broader and more abstract concept that represents the central idea or message of a work. Lastly, each piece of work may have different themes, so option OD is not accurate.
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