That was a really good evening .It's years_____ they enjoyed them_英语解答

That was a really good evening .It's years_____ they enjoyed themselves so much.
A. when B. that C. before D.since 该选哪个?为什么?

人气：470 ℃　时间：2020-03-25 16:25:28

解答

D.since
It's years since they enjoyed themselves so much.
他们已经好久没有这样开心了.