Throughout the text, the author creates tension. Which structural choice contributes most directly to tension?.

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The best structural choice to create tension in the text is one that promotes suspense. This is because suspense allows the reader not to know what will happen, and may come across something completely unpredictable that can be good or bad. A type of textual structure that can promote suspense and, consequently, tension is the descriptive structure, one the author describes elements that increase suspense and makes the reader anxious.

because each is self-sufficient.  

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