1,---sorry,i'm late.---That's ok.i____long A haven't been waiting_英语解答

1,---sorry,i'm late.---That's ok.i____long A haven't been waiting b didn't wait
B haven't waited C don't wait D didn't wait

人气：294 ℃　时间：2020-04-03 14:42:42

解答

A haven't been waiting能解释一下么表示从过去某个时间开始一直持续到现在的动作，用现在完成进行时态。