Children who have been subjected to trafficking may experience a number of things such as: feeling withdrawn or isolated from society, they could experience addiction, eating disorders, they may develop anxiety, nightmares and sleeping problems; depression and suicidal thoughts could also be other problems faced by children after these experiences.
If you will accept two answers, B and C are correct. If not, choose C because this individual is running long distance over and over again they will have an increase in muscular endurance.