______,there was doubt whether the construction was worth support_英语解答

______,there was doubt whether the construction was worth supporting.
A.At a time
B.At one tome
C.At times
D.At other times

人气：355 ℃　时间：2020-06-08 02:42:04

解答

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.