It is often said that ________ man differs from ________ animals in that he can think and speak .

问题描述:

It is often said that ________ man differs from ________ animals in that he can think and speak .
A.the; the B.a; the
C.不填; the D.不填; 不填
Which one shall i choose?why?

D
man 和 animal 分别指“人类”和“动物”,不是特指某个人,某个动物.前面都不加冠词.
网上可以搜索到原话.