在问卷设计之前，调查者必须明确在调查过程中需要了解哪方面的（），才能更好地说明所要调查的问题，实现本次调查的目标。

A、信息

B、部门

C、结果

D、标题

Syntax is different from morphology in that the former not only studies the morphemes, but also the combination of morphemes into words and words into sentences.