According to the sentence, An ineffective introduction include option B: shows an understanding that the audience has already read the story.
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What is Introduction?</h3>
An introduction is defined as the starting of a book, movie and speech or piece of music. In a sentence, an introduction part describe the main idea, interest and why this topic is necessary.
An ineffective introduction does not able to grab the reader's attention. These introduction are not too specific. A more effective grabber may demand for more specific introduction.
Moreover, sometimes ineffective introductions do not considered about what the reader's wants and needs. Some paragraph represent the data that shows an understanding that the reader already know about the story.
Therefore, correct option is B.
Learn more about Introduction, refer to the link:
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