Answer:
A. the main characters, what the main characters want or need, the problem, and the solution,
Step-by-step explanation:
A summary is essentially a short, simple, and straight-to-the-point description which narrates or gives the main ideas of a story or idea.
Therefore, a good summary of a story includes the main characters, what the main characters want or need, the problem, and the solution. This is because, a summary is supposed to give the reader a glimpse of what a story is all about.