According to Krueger Et Al

According to Krueger et al.(2008) ,which of the following scenarios illustrates a positive genotype-environment correlation?

A) Parents of children who prefer to stay indoors try to involve the children in outdoors games to help the children become more physically active.
B) Children showing antisocial behavior tend to elicit harsh discipline from parents who attempt to curb their behavior.
C) Adolescents who have personalities marked by an upbeat,optimistic stance tend to evoke high levels of helpful and affirmative regard from their parents.
D) Parents of adolescents who prefer to stay at home take the adolescents to social gatherings and cultural events to help the adolescents make a lot of friends.