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 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.

Answer: D

Question: [header] How to install custom firmware [title] Record the router's model and version number. [step] These numbers are usually located near the manufacturer's logo, underneath or in back of the router. Write down the model and version information for future use. <sep> (A) [substeps] If you are using windows xp (default operating system), the model number can be found in the start menu under " system settings. " skip all the discussion menus, and then go to system preferences. (B) [title] Obtain the router's ip address and default gateway for your computer system. [substeps] Determine the ip address and default gateway for a pc. (C) [substeps] " w " with the green background is the serial number for the model. " p " with the red background means " unhappy operating system. (D) [substeps] It is easy to determine what operating system is running on your router if you don't know the model. Copy the model from the registry to convert it to your operating system.

Answer: B

Question: A large chandelier sparkles over a stage. People in black clothing appear, backs turned. a woman <sep> (A) makes a gymnastic flip on the stage. (B) taps a stick on a violin. (C) lifts a crown, then the man starts dancing. (D) climbs onto large, black beams.

Answer:
C