Which best defines an intercalary chapter?

A. A chapter that breaks in some way from the narrative flow of a novel

B. A chapter that comes at the end of a novel and reflects on the theme

C. A chapter that involves multiple narrators

D. A chapter that is written as a flashback

The correct answer would be A.

A. A chapter that breaks in some way from the narrative flow of a novel

It is a chapter that is interposed between narrative chapters that give more general information and analysis about the story. It can also be used to invoke emotions from the readers. They can be metaphorical or explanatory. An example is the unconventional structure of The Grapes of Wrath.