Which piece of evidence most strongly supports the correct answer to Question 7?

Answer choices for the above question

A. “... was Einstein born a genius? Considering that Einstein was slow to speak as a child and was thrown out of school at one point, it certainly does not seem that he was.”

B. “Research on related children who did not grow up in the same environment shows that while genetics may set the baseline for intelligence, it does not determine potential.”

C. “If you assume that the intelligence assigned to you at birth is all you can ever achieve, you are condemning yourself to a life in which your income and happiness are preset as well!”

D. “Estimates by scientists who have studied the genetics of intelligence range between 60 and 80 percent for the heritability of intelligence.”