20. A researcher argues that children's language development cannot outpace their conceptual understanding of the world. This view is most closely associated with __________.
(A) Piaget
(B) Chomsky
(C) Skinner
(D) Krashen IV. Phrasal Verbs and Idiomatic Expressions

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統計： A(1), B(1), C(0), D(1), E(0) #3955160