The meanings of many words often relate directly to their origins. In other words the history of the word explains the meaning of the word. This is called（ ）.
A、onomatopoeic motivation
B、morphological motivation
C、semantic motivation
D、etymological motivation
【正确答案】：D
【题目解析】：许多单词的含义往往直接关系到它们的起源。 换句话说，这个词的历史解释了这个词的意思。这种理据叫做词源理据。
