Final answer:
The sentence denotes a one-time event as it specifies a singular past action.
Explanation:
Comiste una hamburguesa ayer? indicates a one-time event as it refers to eating a hamburger specifically at a certain point in the past, which is yesterday. Unlike continuous events like 'I eat dinner,' which imply habitual or repeated actions, this sentence points to a singular, past occurrence.
Learn more about Identifying one-time events in language usage here:
https://brainly.com/question/39275653
