In Singapore people who litter and dirty the streets are more likely .A. to fineB. finedC

问题补充：

In Singapore, people who litter and dirty the streets are more likely .

A. to fine

B. fined

C. being fined

D. to be fined

答案：

A. to fine

B. fined

C. being fined

(答案→)D. to be fined

解析：句意：在新加坡，乱扔垃圾将街道弄脏的人更有可能被罚款。这里使用了固定句型：Sb/Sth is likely to do sth“某人/某物有可能做”，动词fine和句子的主语people有逻辑上的动宾关系，用不定式的被动，所以选D。