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 find an email address for free [title] Start with a google search. [step] If you haven't already done it type the individuals name into google in quotations. If you know the town or city that they reside in you can type that in after a plus sign like so. <sep> (A) [substeps] Learn what their email address is before you send your email; if you can't find it on the address list, ask your secretary for recommendations. [title] Click the green " search for [your email name] " button at the bottom of the part titled " contact us. (B) [title] Add the zip code to the search. [step] For example, if you're searching for mr. (C) If you know where the person lives, type their telephone number into the first field, then search in the name field as well. If they don't have a home address, type their city and zip code into the fields provided, checking that you know your state's code. (D) Furthermore if you know their profession you could type something like [title] Search the social networks. [step] The popularity in social networking sites like myspace and facebook have escalated in modern times.
D

[header] How to wear rings [title] Use a ring-sizer to find the appropriate size for a ring. [step] Ring-sizers are plastic sheets with a variety of different sizes on them, which you can slide your finger into to find an appropriate fit. These are available at every jewelry counter for sizing rings. <sep> (A) [substeps] Your ring should fit your finger comfortably. It needs to be snug enough so that it stays on, but loose enough to slide off at the knuckle. (B) Use your ring-sizer to find a size that fits your finger size-which sounds easy. [substeps] A ring size 14-inch (27.6 cm) is approximately the ideal size, though it can add a mature look to a ring. (C) Many rings, especially those with 3 or more sizes, will fit comfortably onto your ring. [substeps] You can also do this freehand by simply finding a ring-sizer with a similar size. (D) When one is worn, do not buy one with rounded sides. This is likely to break or splinter, and it will probably have uva, bva, and uvb features of the ring.
A

[header] How to write best selling children's books [title] Pick an age range. [step] You do not want to walk up to an agent or publisher with a vague idea of your target audience. Agents and editors don't take well to book's that are " for all ages. <sep> (A) " if you want to write a bestseller, it's important to have a niche age range in mind. [substeps] Things like picture books and stories with only a few words are usually for ages 2 to 6. (B) " it can be stressful to work with adults that are not yet ready for you book. [substeps] Part of the reason children's books are so popular is that they emphasize mental, emotional, and physical maturity. (C) " fifteen or more year olds will quickly start to disseminate the information to an unqualified adult who no longer has a preference for fan literature. Reading up on the latest minds before you book can help to come to an understanding of what they want from a young audience before you begin reading. (D) " instead, pick an age range to be as engaging as possible. Ask yourself why the publisher of the book ultimately wants that book.
A