A chemical need for alcohol is an addiction, or alcoholism.
It would be B or C. I'm SURE it would be C though.
"A" means to cause air to enter and circulate freely in (a room, building, etc.), which fire NEEDS air in order to be alive, so that would be BAD. "D" is saying to store guns in locked cabinets... which doesn't really make sense.
Answer:
-mental health disorders
-substance abuse
-side effects from medications
-having a relative who is suicidal
Explanation:
All of them are factors except for experiencing minor change in life.