单项选择题
A、 It limited their supply of food. B、 It made their eggshells to fragile. C、 It destroyed many of their nests. D、 It killed man baby bald eagles.
A、 They want to show their differences from others. B、 They want to be remembered as a master. C、 They want understanding from the public. D、 They want the public to learn from them.