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 set up a caique parrot habitat [title] Choose a large cage. [step] Although the caique is a medium-sized bird, it needs a great deal of space. Select a cage that can accommodate this energetic parrot. <sep> (A) New cages tend to have more cages that are more hearty and safe, as these should not be bigger than 20 square feet (36 square meters) on all sides. If you're keeping a senior parrot, choose a caique that has built in cage work. (B) When it comes to caique cages, bigger is always better. [substeps] The smallest cage for a single caique should be 24 x 24 x 24 inches (60 x 60 x 60 cm). (C) The standard size for caique quarlings are 4 inches (10 cm) and five feet wide. Add a basking bulb, separate the block of wood with coarse wood shavings and place the bottom on a cooled to room temperature examination table. (D) For a more fluid experience, a small cage that you can comfortably surround your bird in will help to make the experience more comfortable. [substeps] A second enclosure can provide the environment your bird will be inhabiting without having to create a constant environment, changing its structure and its oxygen levels.

A: B
****
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: [header] How to maintain confidentiality [title] Handle private documents carefully. [step] Don't leave private documents unattended, whether you're a nurse, lawyer, or an employee handling your company's confidential material. Remain aware of where the materials are and who can access them. <sep> (A) [substeps] For example, if you're a healthcare professional, don't leave a patient's medical records unattended on a cafeteria table or in a reception area. [title] Lock file rooms, cabinets, and other storage spaces. (B) This will make you a better candidate to protect your company's confidential material from person-to-person communications or requests for documentation. [substeps] If you are a nurse's aide, be aware of the president's policy on confidentiality. (C) Also make sure your employees are safe, as these are confidential documents that can be accessed on your company's public computer system. Reading and recording confidential documents can signal to your employees, and you'll need to learn to " train " your employees in the proper manner. (D) Put them on a regular document binder for all employees. [substeps] Remember, there is no law prohibiting disclosure of confidential material.

A:
A
****