Which Child Raised Under Difficult Conditions Is Most Likely to Have

Which child raised under difficult conditions is most likely to have a successful adult life?

A) Oscar experienced a series of tragedies;his mother died,then his family lost all their money within a few years.
B) Petronella's parents are alcoholic.But Petronella is a mellow,optimistic child who spends her days with a loving grandmother.
C) Quincy's parents give all their attention to their eldest daughter,so they have very little time for Quincy.
D) Rhonda doesn't handle stress well and she gets very upset with change.Now that she is in fourth grade,Rhonda,has attended a total of eight schools.