Which Advice Would Be the BEST Advice to Give Parents

Which advice would be the BEST advice to give parents of a preschooler who want to help their child become a better reader in elementary school?

A) Teach your child to break words into their component sounds.
B) Teach your child that words have spaces between them and that reading is done from left to right.
C) Teach your child to identify all upper- and lowercase letters.
D) Allow your child to explore a variety of books on his or her own.