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".
Input: [header] How to feed a dog whole foods [title] Talk to a veterinarian. [step] Before feeding your dog whole foods, get more information about your dog's nutritional needs. Consult your veterinarian for advice on what your dog should be consuming on a day-to-day basis, and in what portions. <sep> (A) Your veterinarian can give you the best recommendations. [substeps] If you're going to have a professional vet look at your dog's diet, consider asking them about diet and feeding information for your dog. (B) [substeps] Talk to your veterinarian about whether your dog needs a full meal in order to prevent overeating, which can lead to serious health issues like diabetes. [title] Read the ingredients list to find out if your dog is eating all the food. (C) The average adult dog should eat 16-14 ounces per day, while older dogs should eat 75-110 ounces. Your dog's food should also include : [substeps] Whole grains. (D) In addition, ask for advice on how to monitor your dog's health after changing its diet (e.g. keeping an eye out for gastrointestinal upsets or skin irritations).
Output:
D