Answer:
The one that best identifies a cause of the cat's encounter with the rat is a shipwreck on the island
Step-by-step explanation:
In "How A Cat Played Robinson Crusoe" by Charles G.D. Roberts, we see the story of a cat that has to face being alone in an island and try to survive without the care of her family, then because of a large storm which brings an invasion of rats, the cat has the encounter with the rat in a shipwreck on the island.