Which of the Following Circumstances Would Indicate the Greatest Level

Multiple Choice

Which of the following circumstances would indicate the greatest level of heritability of a trait?

A) ​Francois performs as well in school as the siblings with whom he was raised, even though he was adopted and is not genetically related to them.
B) ​D'artagnan prefers to watch movies on television, while his parents prefer to watch movies at a movie theater.
C) ​Luigi and his siblings are all about the same height.
D) ​Mario's results on a personality test are far more similar to his biological parents than they are to his adopted parents.