Q: 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 buy gmo free pet food [title] Talk to your vet. [step] If you want to switch your pet to a non-gmo diet, talk to your veterinarian first. The vet can give you tips on avoiding gmos and making sure that your pet gets a balanced diet. <sep> (A) [substeps] Keep in mind gmo is 1% b12. However, if you get a higher b12 than your vet recommends, talk to them more often about it. (B) Gmo-friendly food is best paired with plenty of of quality ingredients and quality fats. For those with lower gmo levels, eating less foods will help make your gmo more manageable in the long run. (C) [substeps] Ask the vet to recommend specific products that don't contain gmos. Your vet has a better sense of your pet's health, needs, and what products are available that will promote overall wellbeing. (D) Your vet should be able to tell you about your pet's current diet. [title] Try buying any food with pellets.
A:
C