—When shall we restart our business ?
—Not until we our plan .
A. will finish
B. are finishing
C. are to finish
D. have finished
网友回答
A. will finish
B. are finishing
C. are to finish
(答案→)D. have finished
解析：考查时态。句意：什么时候重启我们的业务？——直到我们完成我们的计划。可知下文描述的是在某个时间点前完成的动作，故选D。