Answer:
The correct answer is option C.
Explanation:
Abusing drugs is one of the serious issues in the current situation in the country and often found higher in the people with some time of tragedy or who can not take a setback in life due to lack of experience in handling such life situations.
The situation among the given cases, the greatest risk for drug-abusing is the one with a teen who experiencing breaking up the girlfriend. It may affect his choices to ignores his feelings by drug abuse.
Thus, the correct answer is option - C.