Answer:
A. A setting in pre-Revolutionary town such as Boston.
Explanation:
Historical novels are those types of novels dealing with some historical facts or issues and basing the plots and story line from a historical context. These novels have some sort of history facts in their stories, and also deals with the many elements of the history of that particular time.
Historical novel such as "Johnny Tremain" written by Esther Forbes, has the setting of the story along the pre- American revolution scenes in Boston. As it is based on the historical background of the American revolution and the Boston Tea Party, it will obviously include facts and elements of the historical themes of these events. So, historical novels such as Johnny Tremain will have a setting that is frm the pre-Revolutionary towns such as Boston.