Answer:
C
Explanation:
Serial arguing is when multiple arguments erupt over a period of time about the same issue. Here, Matt and Kim have multiple conflicts (several times) over a period of time (a week) about the same issue (dirty dishes being left in the sink).
There is too much conflicts, eveyone is all of a sudden scared of each other. They say it only affect older people and people with respiratory problems, so how does an healthy 36 year old person die from it.
I would say driver, as the other ones work from offices and desks