Several Cases of Children Who Grew Up in Extreme Social

Multiple Choice

Several cases of children who grew up in extreme social isolation,such as the case of Genie in 1970,suggest that

A) most of our mental capacities, and perhaps even the ability to think, are learned through social interaction.
B) human intelligence is almost entirely determined by heredity.
C) the effects of isolation at an early age are easily reversible if caught in time.
D) the effects of extreme isolation in children are irreversible if the situation isn't corrected by the time the child is five years old.