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The language used to talk about language is called .
A、special language
B、local language
C、metalanguage
D、human language
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cultural transmission (as a design feature of human language)
One of the major defining features of human language. Humans are born with the ability to acquire a language， but different from animals， the actual use of human language is not genetically transmitted，rather it is culturally transmitted， i.e.it has to be taught and learnt.
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第10题：
What are the design features of language?
Design features refer to the defining properties of human language that distinguish it from any animal system of communication.
1)arbitrariness
2)productivity
3)duality
4)displacement
5)cultural transmission
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