Answer:
D. A lump rose painfully in my throat as a lone trumpeter raised his horn and began to play the mournful, lonely notes of "Taps."
Step-by-step explanation:
All the other alternatives might be descriptions of a place or event. It is quite possible that it is something factual. The Option D, although it could be factual, is the only one being told in the first person that feels like it is telling you a story.