If the Human Brain Achieved Its Present Form 50,000 Years

Multiple Choice

If the human brain achieved its present form 50,000 years ago, but realistic cave paintings did not appear for another 35,000 years and written language was not developed until 3,000 years ago, we can conclude that ________.

A) human thought and behaviour are completely determined by the structure of the brain
B) human cognitive and linguistic skills have continued to develop even though the structure of the brain has remained basically the same
C) the human brain has evolved significantly over the past 50,000 years
D) cognitive and linguistic skills are unrelated to the specialized characteristics of the human brain