A Researcher Who Believes That Nature and Nurture Interact to Produce

A researcher who believes that nature and nurture interact to produce high-achieving children would be MOST likely to make which hypothesis?

A) Children who have older siblings will be more likely to do well in school than children who do not have older siblings.
B) Children whose parents have high IQs will be more likely to do well in school than children who do not have older siblings.
C) Both having an older sibling and having parents with high IQs will be associated with doing well in school.
D) Only when children have parents with high IQs will having an older sibling be associated with doing well in school.