时间表达 — 英语选择题

Mike的周六安排：他7 o'clock起床，8 o'clock吃早餐，12 o'clock吃午饭，4 o'clock踢足球，9 o'clock上床睡觉。Mike一天中，起床和睡觉的时间分别是几点？请选出正确的英文表达。A. get up at 7 o'clock, go to bed at 9 o'clock B. get up at 9 o'clock, go to bed at 7 o'clock C. get up at 7 oclock, go to bed at 9 oclock D. get up at 8 o'clock, go to bed at 12 o'clock