In this task, you are given an impractical statement. You are also given three reasons (associated with "A", "B", "C") explaining why this statement doesn't make sense. You must choose the most corresponding reason explaining why this statement doesn't make sense.

I put air in my car
(A) gas fuels car not air
(B)cars are fueled with gas not air
(C)air does not fill a gas tank
A

Brushing your teeth three times a year is good for your dental health.
(A) Brushing your teeth three times a year is too liitle to do any good to your teeth.
(B)Brushing your teeth three times a year is hard to remember.
(C)Brushing your teeth three times a year is not something many people do.
A

my brother drinks sewage before sleeping every day
(A) sewage is too dirty for people to drink
(B)there are many kinds of substances in sewage
(C)people drinks water purified from sewage

A