The way the author uses an event in the rising action to create suspense at the climax is A. The narrator's increasing paranoia about the rising action causes him to attack the valet when he enters the room.
This refers to the plot sequence that shows the events in a story that leads to the climax.
Hence, we can see that from the complete text, there is the use of narration to create suspense in the rising action as the narrator's increasing paranoia about the rising action causes him to attack the valet when he enters the room.
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