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 familiy 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

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

快考试了，比较省略还有问题，请教大家，答案是B，我选C

B/C如何抉择，does究竟什么时候可以省略，什么时候不能省......拜谢。

我记得新东方白勇的解释是这样的，当have，has做实体动词的时候就不能省略do，does，当have，has做助动词的时候就可以省略

这里面明显has的意思是拥有，是实体动词