If your child has food allergies, avoidance of the offending food is imperative. To ensure your child doesn't eat it at school, it's important to:

A. Tell your child not to share snacks or lunches with friends

B. Write letters to the school and childcare providers to inform them of allergies

C. Make and distribute a list of the items that may contain the allergen

D. All of the above

E. None of the above