27. The passage mentions all of the following as ways adults modify their speech when talking to babies except
(A) giving all words equal emphasis
(B) speaking with shorter sentences
(C) speaking more loudly than normal
(D) using meaningless sounds
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統計: A(48), B(4), C(5), D(3), E(0) #3262353
統計: A(48), B(4), C(5), D(3), E(0) #3262353