The number of cars on the road is becoming now in our hometown.A. fewer and fewerB. more

问题补充：

The number of cars on the road is becoming now in our hometown.

A. fewer and fewer

B. more and more

C. smaller and smaller

D. bigger and bigger

答案：

A. fewer and fewer

B. more and more

C. smaller and smaller

(答案→)D. bigger and bigger

解析：句意：在我们家乡，现在路面上汽车的数量变得越来越多。数量越来越多用bigger and bigger来表达，英语中The number of作为主语时，修饰只能用大或是小来形容，故选D