For decades, there has been such a view in dinosaur research: Some dinosaurs can distinguish sex based on their bone differences. For example, male Anchored horned dragons differ from females in that males have wider head shields and protrusions on the nose Also bigger. Which of the following, if true, best supports this view? ['The researchers reanalyzed the original data of dinosaur fossils and tested them using statistical methods such as mixed models.', 'Birds and crocodiles are the closest existing animals to dinosaurs. Male crocodiles are much larger than females, and the sex differences between birds are more obvious. For example, male peacocks have huge gorgeous tail feathers, while female peacocks are unpretentious.', 'At present, data samples of dinosaurs are very scattered, and there are not enough fossils of some dinosaur species.', 'medulla bone is rich in calcium, which can be used as the raw material for the production and storage of eggshells, and only exists in the long bones of female dinosaurs that spawn.']