Answer:
D. A central idea is often stated directly, while a theme is usually only suggested.
Step-by-step explanation:
A theme is uncovered by portrayal or plot, while a central idea is uncovered by rhetoric or an immediate articulation.
A theme is the focal point of a content. It is made through the plot of the story, the characters and the setting of the story.
A central idea is the central matter that the story needs to pass on. It is normally uncovered legitimately, or by utilizing techniques for talk and influence. Stories are worked such that help the focal idea.