— Why are the four students so happy?
— in the science petition, they are awarded prize money totaling $ 20,000．
A. Judged the best
B. Judging the best
C. To be judged the best
D. Having judged the best
网友回答
(答案→)A. Judged the best
B. Judging the best
C. To be judged the best
D. Having judged the best
解析：考查非谓语动词。句中逻辑主语为they，与为被动关系，故用过去分词。句意：——为什么4个孩子如此高兴？——在科技比赛中被判为最好，他们被授予总共20000美元的奖金。