Question

Not until we have had a chance to discuss it thoroughly ________ perfectly．

[　　]

A．

the problem has been settled

B．

has the problem been settled

C．

will the problem be settled

D．

the problem was settled

Answer 1

答案：C
解析：

考查倒装句。Not until……that……当主句是否定句时，它引出的意思是“直到(某时)(某动作)才(发生)”，这时候常会出现“not until…”的结构，如果将“not until…”的结构放在句首，那么主句要写成倒装句。