Modern linguistics regards the written language as （）

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

单项选择题Ⅲ. There are four choices following each statement. Mark the choice that can best complete the statement: If a linguistic study describes and analyzes the language people actually use, it is said to be （）

A.prescriptive
B.analytic
C.descriptive
D.linguistic