Answer:
Hmmm...It should be B.
Explanation:
You can't just assume you have depression just because of one day of sadness. You have to wait until you get more...factors or "symptoms", if so, you shouldn't diagnose yourself until you can confirm it by a mental health doctor (Not sure what it's called) or therapist.
××× If it's not B, I sincerely apologize! ×××
(This is just an example)
