The view that human brain is the source of human language and cognition goes back ______.
A、less?than?1000?years
B、over?2000?years
C、less?than?2000?years
D、over?3000?years
【正确答案】：B
【题目解析】：The view that the brain is the source of human language and cognition goes back over 2000 years.