GWD 16

LeannaChina

Q28:
Some scientists contend that many species of dinosaur had a metabolism more like a warm-blooded mammal’s than a cold-blooded reptile’s.

1. that many species of dinosaur had a metabolism more like
   
2. that the metabolism of many dinosaur species were more like
   
3. that the metabolisms of many species of dinosaurs were more like those of
   
4. there were many species of dinosaurs that had metabolisms more like those of
   
5. there were many dinosaur species that had a metabolism more like that of
   
   答案是A 为什么不是C呢。。。。 我看C也挺对的。。。
   

毛毛carina

题意主要是表达恐龙的新陈代谢系统与温血哺乳动物更像

所以metabolism应该用单数，表达恐龙这一类动物的新陈代谢系统，而不是复数，变成了表达各种恐龙的不同新陈代谢系统

另外后半部分未划线部分已经用了所有格形式： a warm-blooded mammal’s ，所以those of 是多余的