YOU MUST DRIVE SLOWER IN BUILT UP AREAS. _______ YOU DRIVE IN THE...

30. You must drive slower in built up areas. _______ you drive in the city, it is _______ that you will have an accident.

a. The faster and faster / the more

b. The faster / the more probable

c. The more and more fast / the more and more probable

d. The more fastly / the probable

Choose the sentence which has the closest meaning to the original one.