Detailed Instructions: 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 cope with a bad dog [title] Make a list of everything that triggers bad behavior. [step] Chances are that your dog isn't bad all around. Rather, your dog responds badly to certain stimuli. <sep> (A) Before you can correct your dog's bad behavior, you need to know what triggers it. [substeps] Pay attention when your dog behaves badly. (B) Write down what specific stimuli you associate with bad behaviors. [substeps] Think about anything you see your dog doing, in the garden, in the bathtub, or around other pets. (C) Some instances may be painful for your dog and anger you, but you can create a list of the things that make your dog so often irritable. You can write these things down in a journal. (D) The more you notice it, the less you'll be able to help it. Therefore, it's a good idea to create a list for every misbehavior your dog brings up.
A:
A