By______ motivation, we mean that the meaning of a particular word is related to its origin.
A、onomatopoeic
B、morphological
C、etymological
D、semantic
【正确答案】：C
【题目解析】：本题考查第五章理据中拟声理据onomatopoeic、形态理据morphological、语态理据semantic和词源理据etymological的概念理解和辨析。词源理据，从字面意思来讲，是此的根源，题干中有its origin，因此选择C etymological.