PART A: Which statement identifies the central idea of the text?A. The complex songs that bowhead whales sing prove to the scientists that the whales are smarter than we originally thought. B.Many populations of people would be affected if bowhead whales went extinct, as they rely on their blubber and baleen. C.Scientists hope that people will be more motivated to preserve bowhead whales if they hear their beautiful song. D.By listening to bowhead whales' songs, scientists can learn more about them and help preserve their species.