Not until I came home last night to bed.A. Mum did goB. did Mum goC. went MumD. Mum went

问题补充：

Not until I came home last night to bed.

A. Mum did go

B. did Mum go

C. went Mum

D. Mum went

答案：

A. Mum did go

(答案→)B. did Mum go

C. went Mum

D. Mum went

解析： Not until I置于句首时，主句要用部分倒装。Went是实义动词，借助于助动词did进行倒装。所以选B。