Dogs can hear much better than(

题目

Dogs can hear much better than(
A.human B.human being C.humans D.humans being
这道题该选什么?并说明下每个选项判断的原因 ,

答案

A.human
human强调“人群”,本身已是集体名词所以排除 C
human being强调“个人”所以排除 B D这个写法就是错的
基本上 human = human beings ,但不可以说 human = human being