I usually get home late because there is traffic on the road.　　A. few B. many C. a lot D.

问题补充：

I usually get home late because there is traffic on the road.

A. few

B. many

C. a lot

D. much

答案：

A. few

B. many

C. a lot

(答案→)D. much

解析：考查名词的数。traffic“交通”，不可数名词，A、B修饰可数名词，排除A、B；a lot修饰动词或形容词副词，a lot of修饰名词，排除C；much修饰不可数名词，故用much。故选D。