Question

【题目】__________ in the cage for half a day, the bird became hungry.

A. Being kept B. Having been kept

C. Have been kept D. Kept

Answer 1

【答案】B

【解析】句意：已经被关在笼子里半天了，这只鸟饿了。句意决定了要用现在分词的完成式表示分词的动作keep发生在谓语动词became之前，keep与句子主语构成逻辑上的被动关系，故可判断出选B项。