下面配的原文里面我看到了D城市:Monderman removed not only the traffic lights but virtually every other traffic control. O城市:Signs were removed, curbs torn out, and the asphalt replaced with red paving brick。 所以我觉得这题选:B移除了交通标志 但是JJ里面好多人都说选:E人们都很cooperative。 我个人觉得第二个例子里面,人们是被动的因为环境变化了而开慢了,并不是主动的要合作的。 求讨论