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 introduce your new dog to the neighbors [title] Let your dog settle in. [step] When you get a new dog you shouldn't feel like you need to introduce it to your neighbors right away. Instead, let it get used to its new surroundings and its new family first. <sep> (A) Once the dog has a steady routine and has gotten comfortable around you, then you can introduce it to the neighbors. [substeps] Waiting to introduce your new dog around will also allow you the time to figure out how it feels about strangers. (B) [substeps] Train your dog to investigate possible dangers before being brought home. Keep a constant record of your new dog's energy levels. (C) Then take the time to train your new dog. [substeps] Take your dog to the kennel if it gets left unsupervised during walks, meals, and playdates. (D) Take it for a walk around your neighborhood after dinner every night. Give it toys to play with and pick it up and carry it around.
A:
A