Each of the following, if true, strengthens the argument above EXCEPT: A. The park is so large that wolves will not need to venture into areas frequented by people. B. Rabies is very rare in wolves, and there have been no verified cases of serious human injuries from non-rabid wild wolves since records have been kept. C. Ranchers in the region near the park have expressed concern that gray wolves, if reintroduced, would sometimes prey on their livestock. D. Predation by gray wolves on elk in the park is likely to improve the health and viability of the park's elk population as a whole by reducing malnutrition among the elk. E. Wolves do not prey on animals of any endangered species that currently inhabit the park.