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".
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Question: [header] How to stop payment on a lost check [title] Check your account statement. [step] Before you initiate a stop payment on the check, you need to make sure it has not yet gone through. If your bank has already accepted the check, a stop payment won't do you any good. <sep> (A) [substeps] If you are unable to get a stop payment from your bank, you may wish to consider trying one of several other banks. [title] Avoid checking checks after they've expired. (B) Other circumstances may warrant a stop payment, such as : [substeps] If you purchased a loan, you might want to deduct the balance. A stop payment will result in interest, which you then pay off. (C) [substeps] Typically it's easier to check your recent transactions on your online account, or on your banking mobile app if you have one. Make sure the check has not cleared, and also check your pending transactions to make sure it hasn't been presented yet. (D) If you believe it was lost, you can call the bank directly. [title] Confirm that you can't keep the check.

Answer: C

Question: [header] How to choose a protein supplement [title] Choose whey protein to build muscle. [step] If you're looking for muscle-building protein, whey protein is generally your best option. Whey protein can come in the form of powder or pills and is commonly used when people are trying to build muscle via things like weight training programs. <sep> (A) By doing this, you're gaining more body fat and growing more muscle at the same time. [substeps] Whey protein can be found in half of the packaged foods. (B) Whey protein is also a low-fat protein, rich in red blood cells from bacteria. Although whey protein does not impart healthy fats to the body, whey protein helps build muscle, which you can grow and burn through exercise. (C) [substeps] Look for a whey protein powder or supplement with a high biological value. This measures how well your body can absorb the protein. (D) Whey protein occurs as a food chain, hence the slogan, " protein is fat free ". [substeps] Whey protein is complex and varies from patient to patient.

Answer: C

Question: [header] How to dispose of burnt firewood and ash safely [title] Allow the wood and ashes to cool completely in the fireplace. [step] If indoors, let your embers cool down completely with the fire screen closed. Even if it appears the ashes and wood aren't hot, they may remain warm and capable of starting a fire for some time. <sep> (A) [substeps] Leaving your embers out on a sunny rooftop, for example, will make it difficult for smoke to escape from the room. Placing several smokers on this rooftop is safer for the building than putting them on a shared porch, which would cause them to burn out. (B) [substeps] This should only be done if the ash touches a fireplace surface. [title] Provide your kindling at least 15 inches (30 cm) over wood shelf height. (C) [substeps] Leaving burned wood out in the air creates carbon dioxide, which traps organic compounds. The ashes can then be reused to add gas to your stove or any other flammable surface. (D) Allow several hours for the embers to cool. They will not radiate any heat when they are completely cold.

Answer:
D