Leaving for work in plenty of time to catch the train will______worry about being late.
【正确答案】 D
【答案解析】本句空格处意为“消除对迟到的担忧”。obviate意为“消除、排除(危险、障碍、担忧等)”;rule off意为“画线隔开”;prevent意为“防止,预防”;avoid意为“避免”。四个选项中只有D项符合句意。