SHE DID HER HOMEWORK, THEN SHE WENT TO BED.A .BEFORE SHE DID HER HO...

48.She did her homework, then she went to bed.

A .Before she did her homework, she had gone to bed.

B. After she had done her homework, she went to bed.

C.Before she had gone to bed, she did her homework.

D.After she had gone to bed, she did her homework