单项选择题
A.Parents increasing children's language development. B.Reading techniques being simple. C.Parents reading to children. D.Children's intelligence development.
A.30 B.50 C.100 D.150
A.Yes, there is plenty of evidence. B.Of course, there is some evidence to show this is true. C.There is hardly any scientific evidence to support this. D.We don't know because the information is not given.