The complex narrative structure used in the excerpt is an example of

unconventional text features.

several narrators being used.

establishing a work of fiction that is based on nonfiction.

the chronological order of events being manipulated.

Had to look for the missing details and here is my answer.

The excerpt that is being referred here is actually taken from "Dreaming in Cuban", a novel that was written by the author Cristina García. And based on this excerpt, the complex narrative being used here is an example of " the chronological order of events being manipulated." The answer is the last option.