It was Aristotle's idea about language and thought that______.()

It was Aristotle's idea about language and thought that______.()

A.thought was the soul's discourse with itself

B.thinking involved the same motor activities used in speaking

C.mankind could not have the same languages and languages were but signs of psychological experiences

D.thinking was a system of movements that had been reduced from actual speech to the point where they were no longer visible.

正确答案是C