Which of the Following Best Describes the Results of a Recent

Which of the following best describes the results of a recent epigenetic study of children with behavior problems (Dadds et al,2016) ,as discussed in the text?

A) There was no relationship between epigenetic structures and disruptive behavior problems.
B) There were changes in epigenetic structures in boys with disruptive behavior problems, but not in girls with the same problems.
C) Children's levels of stress hormones and their severity of behavior problems were associated with changes in their epigenetic structure.
D) Children with disruptive behavior problems who were under the age of 8 saw changes in their epigenetic structure, but children older than 8 did not.