Final answer:
The narrator referring to their action as a 'crime' could be an example of a metaphor, irony, foreshadowing, or symbolism, but the correct literary device would depend on the context within the story.
Step-by-step explanation:
The narrator's calling his action a crime could be an example of different literary devices depending on the context in which it is used. However, without additional context, it's challenging to determine which literary device is accurately represented. If the narrator's action is not literally a crime, and the term 'crime' is being used to add deeper meaning to a morally wrong action, this could be an example of a metaphor. If the statement contrasts with what is actually happening in an unexpected way, it could be an example of irony.
Foreshadowing refers to when a writer provides hints or clues about what will happen in the story later on, which might not be applicable here unless the statement about the crime foreshadows actual criminal actions or consequences in the narrative.
On the other hand, symbolism is the use of symbols to signify ideas and qualities by giving them symbolic meanings that are different from their literal sense. So, if 'crime' represents something broader than its literal meaning, such as a societal problem or a personal guilt, this could also be considered symbolism.