17. The study of production and perception of speech sounds is _____.
(A) coarticulation effects
(B) bound morphemes
(C) structural analysis
(D) articulatory phonetics
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統計: A(14), B(21), C(18), D(209), E(0) #3104425
統計: A(14), B(21), C(18), D(209), E(0) #3104425