-Will you go now?-Not until I my experiments.A.have finishedB.finishedC.will hav

—Will you go now?

—Not until I ________ my experiments.

A.have finished

B.finished

C.will have finished

D.had finished

试题答案

A

这是一个省略句．省略了主句will I go．Not until“直到……才”放在句首，主句要倒装．由于它引导的是一个时间状语从句，不能用将来时，且动作发生在主句之前，故用现在完成时取代将来完成时．