Answer:
C. Limiting the number of characters.
Step-by-step explanation:
As the short stories are less complex as compared to the novels in every aspect. Thus, it contains a single plot, setting, and limited characters. As it covers a short span of time, so it has no time to create suspense or share personal experiences or use numerous locations. Limiting the number of characters is the only characteristic of the short story among these that can be justified. These stories are intended to focus on a particular theme or event or to pinpoint certain issues before the audience without taking too much burden. It helps both the readers and the author to have the liberty to experiment.