Final answer:
Ruth is likely using a comparison and contrast structure in her essay to discuss the changes made to a dark Gospel story to make it appropriate for children.
Step-by-step explanation:
The structure Ruth uses in her essay about adapting a dark Gospel story to one that is appropriate for children is likely comparison and contrast. This essay structure allows an author to show how two or more subjects are similar in certain respects and different in others. It typically includes a frame for a comparison-and-contrast topic sentence, which establishes the way in which the subjects differ.
Ruth would first establish similarities between the original dark Gospel story and its child-friendly adaptation. Afterwards, she would then focus on detailing the differences, especially how elements were changed to make it suitable for children. This approach reveals the depth of changes needed to transform a piece meant for adults into one that is both accessible and appropriate for a younger audience.