The answer is D. Choosing a protein supplement.
It is the only action that can be completed effectively and safely. Diagnosing a disease through internet resources can be dangerous and people misdiagnose themselves causing panic and worry. The best way to diagnose a health problem is to speak to your doctor. Choosing an antidepressant is something only a professional medical practitioner can do. You cannot treat an eating disorder online, an eating disorder is a mental health condition and needs the right kind of treatment through psychological and medical support.
Preferences is the correct one I looked it up
If you take a kids class then yes, depending how old you are, how fast you learn, and if it is meant for you.
If a child does not have the proper nurture that is required they will not develop properly. If they live a life of isolation their brain will develop without the essential social skills they need and once the brain is too developed you cannot change what it thinks. The child will not be able to do things like form complete grammatically correct sentences or phrases and will be physically,mentally, and emotionally behind everyone else that is around them when they are reintroduced into society. This is also known as a feral child.