The murderer ran away from his village trying to avoid by the police but in vain.A. to

问题补充：

The murderer ran away from his village, trying to avoid by the police, but in vain.

A. to be caught

B. being caught

C. to be catching

D. to catch

答案：

A. to be caught

(答案→)B. being caught

C. to be catching

D. to catch

解析：考察非谓语动词。句意：这个凶手从他的村庄逃跑了，尽力避免被警察抓住，但是白努力了。Avoid后接动名词表示抽象的动作，接不定式则表示具体的动作。句中这个贼是被抓的对象，故用被动语态的动名词，选B。