In the 1990s, the World Became Aware of the Deteriorating

In the 1990s, the world became aware of the deteriorating conditions in Romania, where severely malnourished children were being held in orphanages. After some Romania children were adopted by Canadian families, researchers examined the development of 36 such children during three periods: at 11 months, 4.5 years, and 10.5 years. Which statement describes the researchers' findings?

A) By the first period of study, dramatic growth catch-up had taken place.
B) By the second period of study, dramatic growth catch-up had taken place.
C) By the third period of study, dramatic growth catch-up had taken place.
D) Regardless of the period examined, developmental "rebounding" never fully occurred.