Answer:
A. looked like animals in South America
Step-by-step explanation:
When Darwin visited the Galapagos Islands in South America, he noticed that even though the creatures where somewhat unique, they were similar from each other from island to island in the vicinity, yet perfectly adapted to their immediate environments.
In other words, Darwin noticed that the animals shared some traits, and theorized that the environment caused adaptive changes that come from the same regional origin.
So, the animals on the Island looked like animals in South America