Here's why:
* Focus on storytelling: Narrative poetry's primary function is to narrate events, much like a novel or short story.
* Characters, plot, and setting: Like other forms of storytelling, narrative poetry typically features characters, a plot with a conflict and resolution, and a specific setting.
* Distinct from other forms: This differentiates it from lyrical poetry, which focuses on emotions and experiences, or epic poetry, which typically celebrates heroic deeds.
While other options might touch on aspects of narrative poetry, this sentence most comprehensively captures its defining characteristic.