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]: [header] How to buy common stock [title] Find an online broker. [step] The easiest way to work with a broker today is online. You'll open an account with the broker and then deposit money into the account. <sep> (A) When you receive money back, you can make your payments without a current account. Brokers are licensed to do large, complex transactions, so don't hesitate to go to a broker if you are buying large amounts of stock. (B) Then you can search online for those stocks you're interested in investing in. [substeps] Some financial brokers you may consider are miller, a&m, airchat, and bankrise. (C) You can find online brokers by searching online. Some of the more popular include the following : [substeps] Charles schwab e * trade td ameritrade optionshouse [title] Identify if you want a full-service broker instead. (D) Most brokers offer deals to you either on your own or at low interest rates. However, if you don't have an online broker, you should look at a few online brokerages in your area.
[A]: C


[Q]: A person is covering her legs with soap while she is standing on the bathtub. then <sep> (A) the woman follows the water to wash her legs on the side. (B) , the person takes a blade to shave her legs while washing the blade under the faucet. (C) , the person cleans the base of her legs with a toothbrush. (D) , the person pour the soap into the scrub pad in the water of the tub.
[A]: B


[Q]: [header] How to oxide concrete [title] Select your color. [step] There are a multitude of oxides available that you can add to concrete. Choose from red, light brown, dark brown, yellow, and black, among other colors. <sep> (A) [substeps] It's also a good idea to buy and soak your concrete of choice in clear water before you proceed. A homemade infusion can be rubbed across concrete with plastic or glass. (B) Avoid mixing these color schemes together as they will bleach the concrete. [title] Label concrete with a " h " or " gb. (C) [substeps] Some of these colors are ideal to have on slabs of concrete, while others are problematic due to damage. Either leave this option out, or slightly paint the concrete slightly-colors like blue can be hazardous to you and your skin. (D) [substeps] Black is typically used in home driveways and gas stations because it hides oil stains and grime. Brown hues are common in industrial flooring and some homes.
[A]:
D


