In Japan private car is popular means of transportation. A. the; aB. a; theC. the; theD

问题补充：

In Japan, private car is popular means of transportation.

A. the; a

B. a; the

C. the; the

D. the; /

答案：

(答案→)A. the; a

B. a; the

C. the; the

D. the; /

解析：考察冠词。句意：在日本私人轿车是一种普遍的交通工具。可知前文特指私人轿车，下文泛指任何一种流行的交通工具，故选A。