Some scientists contend that many species of dinosaur had a metabolism more like a warm-blooded mammal’s than a cold-blooded reptile’s. A. that many species of dinosaur had a metabolism more like B. that the metabolism of many dinosaur species were more like C. that the metabolisms of many species of dinosaurs were more like those of D. there were many species of dinosaurs that had metabolisms more like those of E. there were many dinosaur species that had a metabolism more like that of 是不是因为 B应用一般现在时,A用过去时是因为恐龙已灭绝? |