What is the main purpose of the rising action in a short story?
to provide background information about the characters.
to build interest and suspense.
to answer the reader's questions.
to narrate the highest action, or turning point, of the story.

In the rising action, a series of events build toward the point of greatest interest. The rising action of a story is the series of events that begin immediately after the exposition (introduction) of the story and builds up to the climax.

The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.