Last year, a car dealership sold 144 new cars and 108 used cars. Since then, the number of new cars sold is increasing by 8 cars each year, while the number of used cars sold has been decreasing by 5 cars each year. In how many years will the number of new cars sold be twice the number of used cars sold?

A. 2 years
B. 4 years
C. 6 years
D. 0 years