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". 

[EX Q]: [header] How to get your ferret spayed or neutered [title] Verify that your ferret isn't already spayed or neutered. [step] Ferrets sold at pet stores are almost always already spayed or neutered. Many breeders also spay or neuter kits, or young ferrets, before selling them. <sep> (A) This will ensure that your ferret will not be harassed or misredirected. [substeps] Ferrets that already have an owner must also be spayed or neutered before they sell them. (B) [substeps] You can get your ferret spayed or neutered immediately upon the transmission of your ferret, leaving a good deposit for a new starter puppy, but will have to go through much more patience. [title] Ensure that your ferret can still eat. (C) [title] Familiarize yourself with the type of breeding location you need. [step] The first hurdle in breeding a ferret is to get it spayed or neutered. (D) [substeps] Purchasing a ferret that's already spayed or neutered is in your best interest, since the operation can cost a lot of money. If the store is uncertain, you can also take the ferret to the vet.
[EX A]: D

[EX Q]: [header] How to unblock a toilet when you have no plunger [title] Cover the end of a mop with a plastic bag. [step] Pull the bag over the end of the mop. Then, tie it off or secure it in place with a rubber band. <sep> (A) You can also use a rag or a toilet cloth to help secure the bag if you don't have a mop. [substeps] Try using empty containers to provide more protection. (B) After securing the handle of the mop, throw it away. [title] Turn on the water faucet. (C) [substeps] Discard any waste that falls from the end of the mop. [title] Use the bucket or bowl to catch any urine that spills out. (D) [title] Plunge your toilet with the mop. [step] Use a forceful in and out motion like you would with a normal plunger.
[EX A]: D

[EX Q]: [header] How to analyse a case study [title] Examine and describe the business environment relevant to the case study. [substeps] Describe the nature of the organization under consideration and its competitors. Provide general information about the market and customer base. <sep> (A) Indicate any significant changes in the business environment or any new endeavors upon which the business is embarking. [title] Describe the structure and size of the main business under consideration. (B) Describe the licenses and permits required to make work, while supporting the procedural parameters. Provide a detailed personal history of the organization. (C) Express the revenues or losses of those companies in the history of the company. Provide your business generally how large the business is and what the purpose of this mission is to this organization. (D) Explain the company's salaries (daily or monthly), current and weekly expenses from establishing the other business. State whether the construction industry is in good standing and how much has been developed and defined in terms of market research.
[EX A]:
A