Which line from Act 2 of The Monsters Are Due on Maple Street helps to distinguish this teleplay as a work of science fiction rather than a work of fantasy fiction?

Choice C describes lights switching off and on in different houses in a sequence, suggesting an unexplained electrical effect that may have a technological or extraterrestrial cause. Science fiction often builds its strange events around science or technology, while fantasy more often uses magic or supernatural forces. The dialogue in A and B and the crowd’s actions in D show fear and conflict, but do not distinguish the story’s genre as clearly.

AI-written and checked against the verified answer.