What point does the author make to illustrate that babies are born with the ability to acq

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.

请帮忙给出正确答案和分析，谢谢！