______,there was doubt whether the construction was worth supporting.A.At a timeB.At one tomeC.At timesD.At other times
问题描述：
______,there was doubt whether the construction was worth supporting.
A.At a time
B.At one tome
C.At times
D.At other times
答
B
曾经，一度；同时
有不明白的地方再问哟，祝你学习进步，更上一层楼！ (*^__^*)
答
B
曾经,一度；同时
曾经,那里对这个工程是否值得支持很有疑问.