Which of the Following Is the Most Accurate Definition of a Stress-Diathesis

Which of the following is the most accurate definition of a stress-diathesis model?

A) When the child's biologically based risk interacts with the environment
B) A reduction of negative chain reactions
C) The interaction between a child's level of stress and the parent's level of stress
D) When genetically at-risk children (such as those with a difficult, anger-prone temperament) are not only protected, by actually thrive when placed in a supportive environment