单选题 There was something wrong with the traffic signal. Our bus was ______ for nearly half an hour.
  • A. held on
  • B. held back
  • C. held out
  • D. held up
【正确答案】 D
【答案解析】[解析] 本题中hold on继续，抓住；hold back阻止，隐瞒；hold out提出，提供；hold up使停顿，阻挡的意思。根据题意，应选D。句意是：街上的交通灯坏了，我们的公共汽车被堵了将近半个小时。