Final answer:
The correct answer is option d. Lev saves Connor and Risa by activating a fire alarm in the novel 'Unwind', providing a distraction that allows them to escape their pursuers.
Step-by-step explanation:
The question you are asking is related to the events in the novel Unwind by Neal Shusterman. In this story, Lev saves Connor and Risa by choosing option D) he activates a fire alarm.
This act of pulling the fire alarm creates a distraction that enables Connor and Risa to escape from their pursuers at the school where they were about to be unwound. Lev's quick thinking and decisive action play a crucial role in their survival at this moment in the story.