17.
(A) thereby improving their overall language development
(B) in that they eventually reach similar levels of proficiency
(C) for which they eventually overcome their speaking difficulties
(D) while long-term late talkers continue to exhibit difficulties
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統計: A(0), B(2), C(1), D(0), E(0) #3888281
統計: A(0), B(2), C(1), D(0), E(0) #3888281