No sooner________to address the housing crisis than Brexit landed on our doorstep.
A、did the Government planned
B、had the Government planned
C、did the Government plan
D、the Government had planned
【正确答案】：B
【题目解析】：no sooner…than 意思是“一……就……”，引导时间状语从句，主句用过去完成时，“than”后面的从句用一般过去时。