Final answer:
The novel ends with a ray of hope for the future of society because the naval officer arrives, bringing order and rescue.
Step-by-step explanation:
The novel ends with a ray of hope for the future of society because option d) The naval officer arrives, bringing order and rescue. In the story, the arrival of the naval officer represents the return to civilization and the restoration of peace and order. This optimistic ending suggests that society can be saved from the darkness and chaos that the boys experienced on the island.