885-sec1-16

16.   Los Angeles has a higher number of family dwellings per capita than any large city.

(A) a higher number of family dwellings per capita than any large city

(B) higher numbers of family dwellings per capita than any other large city

(C) a higher number of family dwellings per capita than does any other large city

(D) higher numbers of family dwellings per capita than do other large cities（C）

(E) a high per capita number of family dwellings, more than does any other large city

the answer is C

请问D错在哪里呢?不能用复数型吗?谢谢~

逻辑上，应该是number和number比

D变成了dwelings和dweling比。