Which Intervention Is Most Appropriate for Preventing "Baby Bottle Tooth

Which intervention is most appropriate for preventing "baby bottle tooth decay?"

A) taking a child to the dentist by the time he is 6 months old
B) weaning a child from the bottle by 24 months of age
C) removing a bottle from the child's mouth during sleep
D) brushing the baby's teeth at least once per week
E) offering juice instead of formula