As defined in terms of（ ）, a word is view as a sound or combination of sounds which are made voluntarily with human vocal equipment.
A、visual
B、written language
C、semanticists
D、spoken language
【正确答案】：D
【题目解析】：本题考查词在不同角度下的定义。visual：视觉的； written language：书面语；semanticists：语义学家；spoken language：口语。从口语的角度来说，一个词被视为一种声音或一组声音的结合，它是由人类的发声器官自发产生的。故D选项符合题意。
