问题
单项选择题
Which of the following is not a design feature of human language?（）
A.Arbitrariness
B.Displacement
C.Duality
D.Meaningfulness
答案
参考答案：D
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Which of the following is not a design feature of human language?（）
A.Arbitrariness
B.Displacement
C.Duality
D.Meaningfulness
参考答案：D