The answer would be Mediation.
The correct answer is A.
All of these signs would indicate substance abuse as they are all negative behaviors and would raise a red flag that something needs to be done to get him back to a healthy state and drug free. There are some signs in the other options that would indicate the same but not altogether as a whole.
Inline skating in one of the most popular form of skating.
Inline skates have 4 weels in the middle of the skates, and have no support to keep you suported, therefore you would have to balance. Many people inline skate, the regular skates that have 2 weels in each sides. Those are too modern and regular, inline skates are used way more then modern skates, and inline states are more appealing to the young minds.
Both A and B.......................