GWD11 Q29

famous8008

As Charles Darwin observed, natural selection operates whenever individuals of one genetic composition are better at reproducing than that of others.

1. that of others
   
2. the other
   
3. another
   
4. those of another
   
5. that of the next
   

想问下为什么选D? one 不是应该和others并列吗? 还有就是, 怎么看than后面用 that , they were 还是什么都不用?有这个专题介绍吗?谢谢!

parris

that 是修饰单数的对象，those是用来修饰复数的对象 我笔记里是这么记得