20.Which theory emphasizes input comprehensibility (i+1)?
(A) Behaviorism.
(B) Social Learning Theory.
(C) Universal Grammar.
(D) Monitor Model.
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統計: A(0), B(3), C(3), D(6), E(0) #3894981
統計: A(0), B(3), C(3), D(6), E(0) #3894981