Question

【题目】__________ on rescuing her daughter, the poor mother has been searching the ruins for days.

A. To bent

B. Being bent

C. Bent

D. Having bent

Answer 1

【答案】C

【解析】考查非谓语动词的用法。句意：致力于抢救她的女儿，这位可怜的母亲在废墟中找了好几天。be bent on doing sth 意思是“专心于/致力于做某事”。