[求助]-021106

tony01

Downzoning, zoning that typically results in the reduction of housing density, allows for more open space in areas where little water or services exist.
(A)little water or services exist
(B)little water or services exists
(C)few services and little water exists
(D)there is little water or services available
(E)there are few services and little available water

D由比邻一致的原则适用于or, 应该没有错呀

tony01

晕头了！谢谢！

tony01

又晕了一圈，唉！