28.   The mistakes children make in learning to speak tell linguists more about how they learn language than the correct forms they use.

(A) how they learn language than

(B) how one learns language than

(C) how children learn language than do

(D) learning language than

(E) their language learning than do

答案C，就是想请教C为什么用do啊？和后面的use怎么放在一起怪怪的？

整个奥胡斯就我一个人报名 ，想找个人讨论都没可能。

我认为那个do放在那里没有一点理由。

more后面是个陈述句，不是正好用than "the correct forms they use."对称么？

they use是定语从句，修饰correct forms

(C) how children learn language than do

这个do是speak的意思

speak coorect forms they use