The traffic in Shanghai will be blocked and people will come to blows _____ the government plans in advance.
问题描述：
The traffic in Shanghai will be blocked and people will come to blows _____ the government plans in advance.
A.as long as \x05B.unless\x05\x05C.even if \x05\x05D.since
选什么/ 怎么翻译
blows
答
B 除非