It’s not surprising you’re tired. ____. you____up until 12 o’clock last night.

A. At all; worked  B. After all; stayed  C. After all; put   D. First of all; turned

It’s not surprising you’re tired, ________ , you were up until 12 o’clock last night．

1. A.
   at all
2. B.
   in all
3. C.
   after all
4. D.
   after that