Answer:
The literary element that readers should consider when exploring how different literary genres approach the same subject is C: The use of structure that may be characteristic of a genre.
Step-by-step explanation:
Many works can approach the same subject, and that is the reason why readers should take a look at the structure of each book in order to explore what differences he or her can find in that approach. The structure is like the frame of the work, and it will give the reader a precise idea of how the subject is going to be developed in that particular work.