Nobody believed a 92-year-old man could

问题选择题

Nobody believed a 92-year-old man could run a marathon_______he passed the finishing line. People of all ages can challenge themselves.

A．if

B．since

C．until

D．unless

答案

答案：C

题目分析：考查状语从句连接词。句意：没有人相信一个92岁的老人能参加马拉松，直到他跑到了终点线。每个年龄段的人都可以挑战一下自己。not...until...直到......才......。If如果，表条件；since自从；unless除非。故选C。