Question

(),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？

Answer 1

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。

Answer 2

C

Answer 3

C

Answer 4

c