(),the next problem was how to make a good plan.A. having made the decision B.has the decision been made C.the decision having been made D.the decison has been made为什么?能解释一下吗?

来源:学生作业帮助网 编辑:作业帮 时间:2022/08/11 17:17:04

(),the next problem was how to make a good plan.
A. having made the decision B.has the decision been made
C.the decision having been made D.the decison has been made
为什么?能解释一下吗?

我也觉得是C.D是首先要排除的,D是个完整的句子,不合适.B也要排除,格式上不符合作状语.A格式上OK,但是“the next problem"不能作”make the decision"的主语.