Why does the author note that "even endotherms can be affected by a significant change in the climate"? A. To argue that there was a significant climate at the time that endothermic dinosaurs became extinct B. To argue that climate change caused some dinosaurs to evolve as endotherms C. To support the view that at least some of the dinosaurs that became extinct were endotherms D. To defend climate change as possible explanation for the extinction of dinosaurs