Critical Reasoning

Smoking in bed has long been the main cause of
home fires. Despite a significant decline in cigarette
smoking in the last two decades, however, there has
been no comparable decline in the number of people
killed in home fires.
Each one of the following statements, if true over
the last two decades, helps to resolve the apparent
discrepancy above EXCEPT:
(A) Compared to other types of home fires, home
fires caused by smoking in bed usually cause
relatively little damage before they are
extinguished.
(B) Home fires caused by smoking in bed often
break out after the home's occupants have
fallen asleep.
(C) Smokers who smoke in bed tend to be heavy
smokers who are less likely to quit smoking
than are smokers who do not smoke in bed.
(D) An increasing number of people have been
killed in home fires that started in the kitchen.
(E) Population densities have increased, with the
result that one home fire can cause more
deaths than in previous decades.


OA after explanations.

I think the ans is B.

B is irrelvant to the argument. All the others in direct or indirect way could explain house fires.

B is the most suitable option in this case.