Tara and Paul adopted their baby daughter, Oksana, from a Romanian orphanage 5 years ago. She was physically and emotionally deprived until they adopted her at age 2½. It is most likely that Oksana...

Tara and Paul adopted their baby daughter, Oksana, from a Romanian orphanage 5 years ago. She was physically and emotionally deprived until they adopted her at age 2½. It is most likely that Oksana

 a. stayed underweight for much of her life.

 b. had more cognitive impairment than she would have had if she had been adopted before 6 months of age.

 c. will have greater brain plasticity later in development because of her nurturing environment.

 d. will show no signs of cognitive impairment due to synaptic pruning.