How do features help us understand and explain the path of language acquisition？

A.Children are slowed down by the need to learn difficult features.

B.Children try to find out how speech sounds can be built up of features.

C.Children become gradually aware of features.

D.Children use features to put sounds in rectangular tables.

E.Children do not acquire sounds， but rather features.

正确答案：Children try to find out how speech sounds can be built up of features.

Children become gradually aware of features.

Children do not acquire sounds， but rather features.