第3题: [单项选择]_________ the earth to be flat, many feared that Columbus would fall off the edge of the earth. A. Having believed B. Believed C. Believing D. Being believed 参考答案:C 答案解析:[汉译] 因为相信地球是扁平的,许多人担心哥伦布会从地球的边上掉下去。
[注释] 分词短语“believing the earth to be flat”作状语,表示主句的谓语动词所示行为的原因。