. Not until I came home last night to bed. .

问题描述:

. Not until I came home last night to bed. .
Not until I came home last night to bed.
A. Mum did go B. did Mum goC. went Mum D. Mum went
not until 位于句首时是需要倒装的么?
答案是选D

需要,所以选B
应该是答案错了吧……这种语法应该是不会搞错的吧