I don't know how long it will be ______ I can return to my hownto_英语解答

I don't know how long it will be ______ I can return to my howntown.
A since B before C after D when

人气：498 ℃　时间：2020-04-01 02:55:23

解答

B.before 前半句是我不知道还会有多久后半句是我能回去家乡
所以用before 在.之前