down on the ground he struggled to his feet and held up his head his enemy.A. Beating;

问题补充：

down on the ground, he struggled to his feet and held up his head, his enemy.

A. Beating; focusing on

B. Beaten ; glaring at

C. Falling; stared at

D. Tripping ; fixed on

答案：

A. Beating; focusing on

(答案→)B. Beaten ; glaring at

C. Falling; stared at

D. Tripping ; fixed on

解析：考查分词做状语。主语he与“打（beat）”为动宾关系，要用过去分词；与glare为主谓关系用现在分词。他被打倒在地之后他站了起来抬起头盯着敌人看。 选B