I believe the answer is B.
The answer to this question is true I think
Blueberrys are not super healthy for them and should be more of a treat so no more than once a week and only feed them a couple this also goes for cherries and grapes they should be a once a week ish treat and you should make sure they are small pieces you should feed it regular food at least once a day and you should feed it kale 2-3 times a week along with other staple veggies for a healthy stable diet