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 include spanking in child discipline [title] Find a private area. [step] Conducting this type of discipline in a private area preserves the dignity of your child and prevents unnecessary embarrassment. The focus should be on discipline and additional embarrassment for your child should be minimized. <sep> (A) [substeps] Look for a private area free of distractions. Have a book or other non-distracting object nearby to quiet the child and yourself. (B) [substeps] Most experts are adamant that children should never be spanked under any circumstances. Nonetheless, some parents believe that spanking is the best way to get children to adhere to rules. (C) [substeps] If you have permission to do so, choose a private area to discipline your child in private. It will help your child feel at home instead of surrounded by other adults. (D) There are a wide variety of private areas you can think about according to age and the individual or group of children that you're spanking. [substeps] Children should have close supervision at all times.
B

[header] How to calculate a light year [title] Define the light year. [step] A light year is a measure of distance equal to how far light travels in one earth year. Because distances across the universe are so large, astronomers use light years. <sep> (A) However, they can also be determined by dividing by a distance. [substeps] Some light years are used year-round. (B) For light year 2014, the main determiner is the sun. In the light year, the world is filled with light bulbs. (C) Without light years, discussing the distance between two stars would require the use of large, unruly numbers. [substeps] Another measure of distance you may come across when learning astronomy is the parsec. (D) [substeps] There are two kinds of light years: day and night. The two types of light years are known as night and day.
C

[header] How to choose between full fat and low fat dairy [title] Talk to your doctor. [step] Every person has individual nutritional needs. A medical professional can help you decide whether full fat or low fat dairy is the best choice for you. <sep> (A) You may be unsure of exactly what is appropriate or what you are lacking. Make sure you inform your healthcare provider, health professional, and doctor if you are considering full fat dairy or low fat dairy. (B) The best way to do this is to talk to your doctor or a registered dietitian. They can let you know what full fat and lower fat dairy products are best for you. (C) They will consider factors like age, weight, and whether or not you have a medical condition. For example, full fat milk is generally recommended by dietitians for children under the age of 2. (D) Each person's nutritional needs are unique, and the advice you receive will also help you decide what is best for you. [substeps] Tell your doctor which foods are the best for you-and ask them to recommend examples that are good for your health.
C