A key characteristic of historical fiction is D. The stories are presented in a realistic manner.
Explanation:
Historical fiction is a genre of literature in which stories are set in the past. Historical fiction intends to convey the spirit, social conditions and manners of the time period in which the story is set, so the fidelity to history and the realistic details will be essential to a successful historical fiction story.
Taking all these elements into consideration, sentence D is the correct answer.
