Instructions: 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 change child custody [title] Talk to the other parent. [step] If you are on good terms with the other parent, work together to adjust the parenting plan so that it suits both of your needs and the needs of your child. Print out your new, which you will need to submit to the judge. <sep> (A) Give the court your consent to the change of custody document and provide your california driver's license number and the other parent's social security number. [substeps] In the time that you work with the court, try to get close to the other parent a couple of times a week to discuss your child's custody. (B) [substeps] A child custody order can go into effect on its own, so be sure to check all your legal rights and meet with the clerk in court to set a date to get your request signed. Keep in mind that even if the judge says you were taken custody, his or her final order will be dismissed. (C) [substeps] Child custody decisions typically need to be modified every two or three years anyway as the child grows. Two parents who are able to come to an agreement rationally will have a much easier time co-parenting. (D) Then, meet with the parent to discuss exactly what changes you want to make and why. [substeps] Don't assume that your parents will change all the arrangements for you in the divorce or will only raise parts of the agreement.
Output:
C