in the cage for half a day, the bird became hungry.
A. Being kept
B. Having kept
C. Having been kept
D. Have been kept
网友回答
A. Being kept
B. Having kept
(答案→)C. Having been kept
D. Have been kept
解析:这题考查现在分词完成式做状语的用法,因为the bird是被关在笼子里半天了,才感到饿,有先后关系,选C。