题干
---I got up at five this morning, I thought it was Friday.
---You _____ so early. It is Sunday today; you don’t have to go to work.
A：mustn’t have got u
B：needn’t have got u
C：needn’t get u
D：mustn’t get u
答案(点此获取答案解析）
B
，则
（ ）
