From Paragraph 4, we can learn that ______.A.Breakthrough in medicine has made it possible
From Paragraph 4, we can learn that ______.
A.Breakthrough in medicine has made it possible for human to defy genetics.
B.Genes have been used successfully to create brain cells.
C.Gene therapies could be harmlessly employed in brain cell repairing in the future.
D.The environment has a much more powerful effect on brain than genetics.