Sarah Is the Mother of Seven-Year-Old Adam

Sarah is the mother of seven-year-old Adam. She often brags that her son has the mental abilities typical of a 14-year-old. Sarah is so certain of Adam's high intellect that she is trying to read as she can about intelligence because she hopes to help her son reach his full potential.
-According to the drudge theory,what would it take for Adam to achieve exceptional achievement in adulthood

A) A combination of great effort and innate talent
B) Enriched and stimulating environment growing up
C) Great innate talent and genetic predisposition
D) Strenuous effort and single-minded commitment