5. What is the main idea of this text? A. Environmentalists argue grizzly bears have a slow reproduction rate and would be threatened by hunting and other dangers if endangered-species protections for Yellowstone grizzlies were removed.
B. Because of a ban on hunting and other protections, the number of grizzlies in a Greater Yellowstone ecosystem that includes parts of Idaho, Montana and Wyoming has increased more than fivefold to an estimated 700.
C. The number of Yellowstone grizzly bears has increased significantly, so the Trump administration has decided to remove endangered-species protections for these grizzlies, a decision that has been praised by some but criticized by environmental groups.
D. The number of conflicts between humans and grizzly bears as well as the number of grizzly bear attacks on livestock have increased as the number of grizzly bears in the Yellowstone area have increased.