问题
选择题
________ the earth to be flat, many feared that Columbus would fall off the edge of the earth.
A．Having believed
B．Believing
C．Believed
D．To believe
答案
答案：B
答案：B 考查非谓语动词。句意：许多人认为地球是平的，担心哥伦布会从地球的边缘掉下去。believe与句子主语为逻辑上的主谓关系，且feared与believe无时间上的前后之分，故选B项。