1.I was just about to speak ______Linda stood up and began h
1.I was just about to speak ______Linda stood up and began his long talk .
A.when B.while C.so D.however
2.As we ______in a heavy snow in January ,2008
We had to stay in changsha for several days
A.were catching B.were caught C.caught D.had caught
应该选哪个?为什么?为什么不能选其他选项?