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". 

[Q]: A woman standing outside on the roof smoking a cigarette. she <sep> (A) blows the smoke in circles around it. (B) blows smoke and plays around with her hair. (C) rotates her hands back and forth, taking drags off her cigarette. (D) claps one hand while holding a laptop.
[A]: B


[Q]: [header] How to get into a good secondary school in england [title] Prepare by learning about the schools. [step] Around september to october of the year before you hope to join the new school, you'll want to go to open evenings or open days. These are evenings where the school is opened especially for prospective students to visit the school and take a look around. <sep> (A) Attending these events will give you access to knowledge about the school, find out how to study there, and see what the schools do on the weekends. [title] Break into the traditional role of the school counsellor. (B) You should also prepare by gaining experience in a specific school. These skills can help convince your parents and friends that you fit into a good secondary school. (C) [substeps] The website of english schools in scotland is a good place to start. There are websites specifically dedicated to english secondary schools in scotland. (D) [title] Attend as many of the open evenings as you can. [step] Make sure you organise the dates and get to the evenings with plenty of time to look around-you don't want to be rushed.
[A]: D


[Q]: [header] How to mail a letter [title] Choose an envelope. [step] It's important to find the right envelope for your letter. If you choose an envelope of very light construction, for example, any heavy contents might break through the envelope while it's in transit. <sep> (A) [title] Don't worry about the dimensions. [step] Envelopes above 7 " x 11 " will shrink slowly, and otherwise will still be easy to carry. (B) Take the following factors into consideration as you choose an envelope : [substeps] The weight of the paper. The weight of the envelope should be appropriate for the weight of the paper and any other contents you may be mailing. (C) It's also important to choose one with a " sealed " seal, so that the flap of your envelope doesn't unravel as your mail proceed through transit. Avoid casual mail, like invitations to a concert, restaurant, or general civil war event. (D) [substeps] Solid-paper envelopes are usually sturdier, so you'll want at least two to three layers of hard-paper. If you're mailing a letter to a family member or friend, you'll need at least four thick envelopes.
[A]:
B