I have just heard on the radio that Nanjing Road is jammed cars.A. inB. onC. withD. at

问题补充：

I have just heard on the radio that Nanjing Road is jammed

cars.

A. in

B. on

C. with

D. at

答案：

A. in

B. on

(答案→)C. with

D. at

解析：本题考查介词。be jammed with挤满了句意：我刚刚已经在收音机听说了，在南京路挤满了小汽车。