单选题 It is very late; {{U}}hence{{/U}} you must go to bed.
【正确答案】 D
【答案解析】[解析] 借助句意(很晚了……你必须上床睡觉了)确认答案D(因此)。elsewhere adv． “在别处，到别处”；from now on adv，“从现在开始”。