"From the point of view of evolution, human beings are very young children indeed."(Para. 3).This sentence suggests that（ ）

"From the point of view of evolution, human beings are very young children indeed."(Para. 3).This sentence suggests that（ ）

A.

very young children are not civilized

B.

evolution does not help civilization forward

C.

human beings have learnt very little in a very long time

D.

human beings are still at the beginning of their life on this earth

正确答案是D