Answer:
D. American bison
Explanation:
According to public records, Oklahoma had lost many of its wildlife creatures in the 20th century which included the grizzly bear, gray wolf, ivory-billed woodpecker, American bison, elk, etc but much later only the elk and the American bison were reintroduced. Therefore, the correct answer is D. American bison
This was as a result of their disappearance because they were endangered species.
