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". 

[header] How to deactivate your cat [title] Use this only when necessary. [step] In one study, thirty out of thirty-one cats reacted positively, and none showed signs of pain or fear. Still, your cat may not enjoy it. <sep> (A) [substeps] Read product descriptions to learn how to safely deactivate your cat. Once they have deactivated, they are less likely to be inclined to do it again. (B) For this reason, you will want to give your cat the option of deactivation before extending any line of treatment. If your cat shows no reaction, and no whimpering, do not use this. (C) Some cats're immune to using this solution, though. Think about this: if your cat has not responded to any of the other methods, there is a good chance they like this variation. (D) Many vet technicians consider " scruffing " techniques old-fashioned, and too intense for regular use. Some say this technique is a more gentle option, but this is controversial.
D

[header] How to transport breast milk [title] Ask about the terms of transport. [step] If you are sending your breast milk to a company, such as a breast milk bank, ask in advance about the terms of transport. Questions to ask include : [substeps] When does the milk need to arrive? How long can it take to get there? Does the company accept milk packed with dry ice? If so, in what quantity? [title] Use fresh milk. <sep> (A) [step] Milk is changed on a daily basis. Most manufacturers now sell their new milk cold, rather than reheating it in the microwave. (B) [step] Do not store a whole breast of milk in the microwave. Instead, fill a jug filled with fresh milk and microwave it on high heat for 30 to 60 seconds. (C) [step] You can find fresh milk in some commercial stores in bulk. Be careful of doing so; it may cost a considerable amount of money. (D) [step] If you are going to ship breast milk, make sure it is fresh. Either pump it immediately before mailing, or remove the correct amount from the freezer.
D

[header] How to remove mascara [title] Use a dab of coconut oil. [step] Coconut oil quickly removes regular and waterproof mascara, plus it moisturizes and smooths your skin. Because it is a solid at room temperature, rub a pea-sized scoop between your (clean! ) fingertips until it becomes soft and spreadable. <sep> (A) Tilt the spoon (pushing down on the handle) to spread the oil onto the wet surface, then wipe at it with a soft or clean cloth to ensure that it is completely distributed. Use a cotton swab to clean your eyelashes on wet lashes. (B) [substeps] Don't use coconut oil in the united states; the type is already too strong for you and a result is less effective at removing all the mascara from your face. [title] Apply coconut oil generously around your eyes. (C) You should see the mascara come off immediately. [title] Massage some coconut oil into your hair. (D) [substeps] You don't need a special coconut oil for your face--use the same coconut oil used as a cooking ingredient. Be aware that if you get any in your eye it can temporarily blur your vision.

D