--- Why are the four students so happy?
---______ in the science petition, they are awarded prize money totaling $ 20,000．A.Judged the bestB.Judging the bestC.To be judged the bestD.Having judged the best
网友回答
A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。