A Researcher Who Believes That Nature and Nurture

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

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.
E) None of the answers is likely to be the researcher's hypothesis.