求教一道gwd的sc

remotepenguin

18. GWD31-Q18
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 administration improved its management practices.

A.    be better enforced, and its crime rate reduced
B.    better enforced, and its crime rate reduced
C.    could be better enforced, and it could reduce its crime rate
D.    better enforced, and its crime rate could reduce
E.    could be better enforced, and its crime rate reduce

摸不着头绪，觉得选项都差不多...
怎么判断是its fire code be better enforced  还是 its fire code better enforced...?

eshopaholic

是B吗？

coocooper

要么两个都省，要么两个都留。。应该是这样吧。。