According to a recent survey of municipal services, the city’s streets could be cleaner, its fire code be better enforced, and its crime rate reduced if the current adrninistration improved its management practices. 1) be better enforced, and its crime rate reduced 2) better enforced, and its crime rate reduced 3) could be better enforced, and it could reduce its crime rate 4) better enforced, and its crime rate could reduce 5) could be better en forced, and its crime rate reduce
我觉得B选项更加对称呀,could be重复应该在平行对称结构里面可以省略的,可是答案是C,C的确语法没错,可是被动和主动混用就不对称了,哪位nn帮忙解释一下吧~~
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