Which situation describes a car that can travel $40$ miles per gallon of gasoline?

A A car can travel $2$ miles on $80$ gallons of gasoline.

B A car can travel $42$ miles on $2$ gallons of gasoline.

C A car can travel $80$ miles on $2$ gallons of gasoline.

D A car can travel $80$ miles on $40$ gallons of gasoline.