Of the three branches of phonetics, the longest established, and

Of the three branches of phonetics, the longest established, and until recently the most highly developed, is ______. ()
A、auditory
B、acoustic
C、articulatory phonetics
D、none of the above three
【正确答案】：C
【题目解析】：(P16):在语音学的这三个分支发音语音学、听觉语音学和声学语音学里,建立历史最长、迄今发展最完善的就是发音语音学。因此,我们才比较清楚,我们的发音器官是怎么发出我们所能听到的声音的,以及这些声音都在哪些方面有所不同。