23. The word "accessible" in line 4 is closest in meaning to (A) buried (B) improved (C) available (D) workable

19. What point does the author make to illustrate that babies are born with the ability to acquire language? (A) Babies begin to understand words in songs. (B) Babies exaggerate their own sounds and expressions. (C) Babies are more sensitive to sounds than are adults. (D) Babies notice even minor differences between speech sounds.