The best title for this passage would be______.

A．early starters can learn to speak within only six months
B．children show a strong desire to communicate by making noises
C．imitation plays an important role in learning to speak
D．children have various difficulties in learning to speak

A．the development of babies early forms of language
B．the difficulties of babies in learning to speak
C．babies strong desire to communicate
D．babies intention to communicate