单选题 The Sydney express was ______ for two hours by the sudden storm.
【正确答案】 D
【答案解析】句意：突然降临的风暴使得悉尼高速公路延误(阻塞)了两小时。hold up阻碍，延误；hold down压制，限制；hold with同意或赞成某事物；hold out维持，保持。