Four-year-old Alice has a known peanut allergy. What is a proper step her childcare center can take to avoid a life-threatening emergency?

A)separate Alice so she eats alone at snack time
B)tell Alice she cannot eat any peanuts
C)explain to Alice’s parents that she may not attend childcare due to her allergy
D)read all labels and only allow snacks without peanuts within the childcare environment