What Did Scarr and McCartney Consider When They Proposed That

What did Scarr and McCartney consider when they proposed that passive, active, and evocative gene influences all contribute to determine developmental outcomes?

A) that the environment can influence or alter a child's genetic makeup
B) that both the child's and parents' genetic makeup can influence the environments that a child experiences
C) that genetic factors set limits on the extent to which environmental influences can affect developmental outcomes
D) that the influence of heredity is very indirect, mainly influencing the characteristics others see and react to