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".

[header] How to put your newborn on a schedule [title] Make notes on your baby's routine. [step] Before you get started, it's a good idea to buy a notebook in which you keep track of your baby's daily schedule. This will help you to identify whether your new schedule is working. <sep> (A) Remember that babies often get fussy after birth and their bedtimes may depend on day 1 or 2. Take a wide-eyed look at those times while feeding your child. (B) Your notebook will be the basis for your daily routine. [substeps] Write down day-time and tell yourself when to go to the bathroom, bathing, toileting, and evening. (C) [title] Identify possible side effects for your baby's routine. [step] Some babies develop afterbirth defects, such as passing a preterm period or emptying their bladder. (D) [substeps] On the first page of the notebook create a simple table with the following columns: time, activity, note. Make a note of every major daily activity throughout the day, on every day of the week.
D