The element of an effective plot line that helps move the story forward and keep the reader engaged is strong tension and suspense, as stated in option D.
The plot line of a book is the story itself, that is, the series of events that take place in which characters take part. In order to keep readers engaged and to move the plot line forward, an effective element to use is strong tension and suspense.
Suspense means leaving readers curious about what will happen next in the story. By not revealing all information at once, authors make sure readers stay engaged to the story to the end.
Strong tension refers to the building up of conflicts throughout the story. Things get harder or more dangerous, for example, which also keeps readers wondering what will happen next.
With the information above in mind, we can choose option D as the correct answer.
The complete question with the missing answer choices is the following:
Which element of an effective plot line helps move the story forward and keep the reader engaged?
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