885 sec a -07

albertjerry

Dental caries and gingivitis can be exacerbated not only by the foods patients eat but also by when the patients eat them.
(A) not only by the foods patients eat but also by when the patients eat them
(B) by not only the foods patients eat but also by when the patients eat them
(C) not only by the foods patients eat but also by time when the foods are eaten
(D) by not only the foods that are eaten by patients but also by the times the foods are eaten
(E) not only by what patients eat but also by when they eat it

比较 A,C,E ,  a,c 有何不好的地方吗  ,  e 那里  的 it  不是 them 吗?

gemj

这个题目前人问过，你可以搜索出来看一眼。