When they had cleaned their bowls in this way, they would sit at the pot with eager eyes, as if they wanted to eat it.
A. stared
B. staring
C. to stare
D. stares
网友回答
A. stared
(答案→)B. staring
C. to stare
D. stares
解析：句意：当他们把5这样清理干净时，他们会坐下来用急切的眼神盯着罐子，好像要吃了它似得。A为过去分词形式，表被动完成，不符合语境。C为动词不定式，表目的，排除。-ing形式作状语表伴随，stare和主语是逻辑上的主谓关系，故选B。
考点: 考查非谓语的用法。