Question: Which is true of the course of childhood-onset CD? Need Assignment Help? Group of answer choices Those with callous-unemotional traits have a persistent form of the disorder, while others typically return to normal functioning within 2 years. The majority of those with childhood-onset CD will still have the condition 3 years later. The majority of those with the condition will develop psychopathy. Less than 5% of those with childhood-onset CD can be rehabilitated.