__ The earth to be flat,many feared that Columbus would fall off the edge.

题目

__ The earth to be flat,many feared that Columbus would fall off the edge.
A.Having believed B.Believing C.Believed D.Being believed
请高手给个确切的答案,讲下其中的语法知识,再翻译下这句话,

答案

B believing许多人相信地球是平的,而哥伦比亚就是地球的边界.这是动词的分词做短语来省略罗嗦的完整句这句话如果完整的话就应该是：Many believed the earth to be flat, they feared that Columbus would fall off ...