Definition: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 
Input: [header] How to prevent a child's temper tantrums [title] Maintain daily routines. [step] Toddlers and preschoolers need to feel comfortable and secure, and they do not deal well with unpredictability. Keep things predictable by setting regular bedtimes and mealtimes. <sep> (A) Hunger and sleepiness are probably the most common triggers of tantrums, and these can largely be avoided by keeping a regular schedule. Try to wean toddlers off unscheduled naps, and minimize the occurrence of extended absences from familiar surroundings. (B) Try to allow earlier bedtimes and nights, which are not predictable, for toddlers. [substeps] Remember that exposing your toddler to activities her interest will enjoy for the most part or manipulating her mind and body can help reduce your child's frustration and frustration. (C) Be a role model for an toddler because these are a simple, relaxing process. [substeps] If no one is around, have a rule that consistently follows rules is mandatory in the education system. (D) Stick to changing the adults' bedtimes and routines. [substeps] Set a sleep schedule for your child that feels comfortable and like the normal bedtime.
Output:
A