what details from a story best help develop the theme?\nreaders prior knowledge\nthe authors motivations for…

Brief Explanations:

The theme of a story is its central idea. Character motivation shows why characters act as they do and the plot is the sequence of events. Both are crucial in developing what the story is really about. Readers' prior knowledge is external, the author's motivations may not be directly in - story details, and descriptions of time and place are setting elements which are less central to theme development than character and plot.

Answer:

D. character motivation and plot