Because the long preamble, listeners were prepared for the suprising nature of the tale?

Because the preamble introduced important and surprising facts that would be reported in the fable.

Explanation:

A preamble is an introductory text that is written before the book's chapters or before a fable. In fact, the preamble is an introductory text written before a text, be it a novel, a constitution, a song, a short story, or a fable.

The whole preamble aims to introduce the most important points of the text that will be read soon after. Through this introduction, the reader is prepared to learn some of the above facts about what he will read, so the reader is curious and ready to receive this information. Based on this, we can say that through a long, well written and effective preamble, readers can be prepared for the amazing nature of a story.

you didn't list the options but im guessing it's resolving contradictions

im not