单选题By now we’ve (already)&nb

问题补充：

单选题Bynowwe’ve(already)nearlystoppedwritingtoeachother.But______wekeptintouchregularly.A.all the timeB.at timesC.at one timeD.In no time

答案：

C解析all the time一直 .at times有时 .at one time 曾经.In no time立即