We had to be patient because it some time we got the full results.
A. has been；since
B. had been；until
C. was；after
D. would be；before
网友回答
A. has been；since
B. had been；until
C. was；after
D. would be；before
解析：D
解析 在“it＋be＋一段时间＋before/after/since＋从句”句型中，before从句中的动作经过一段时间后才会实现；after从句中的动作发生后已经过去了一段时间；since从句中的动作完成后到现在已经有一段时间了。结合题意可知，答案为D项。