21. It can reasonably inferred that the primary purpose of this passage is to:

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

The whole article mainly talks about how to tell a good story and the characteristics of a good story.

Item D: Describe the art of storytelling, the relationship between author and reader, in line with the theme of the article.

Item A: The reader is not asked to tell a story.

BC item: It is not mentioned in the text.