In a Study of Adopted Children Who Had Lived with Their

In a study of adopted children who had lived with their adopted parents for 10 years, what evidence below would provide the strongest support for the genetic influence on personality?

A) The personality of the children displayed a greater degree of similarity to their biological parents than their adopted parents
B) Children of unwed mothers had more in common with their adopted families than their unwed mothers
C) Introversion and extraversion were correlated with each other for fraternal twins but were not correlated with neuroticism
D) Model fitting techniques found more evidence to support the nurture viewpoint than nature viewpoint, but only for twins of low socioeconomic status