To improve your health the answer is B. if you wanted to keep it stabilized, I would do a mix of A and B
It's D because first thing you do when you are aging into a adult is find a job
The easiest (and possibly tastiest) answer is nuts. All varieties of nuts: almonds, peanuts, cashews, pecans, hazelnuts – you name it. And for those of you who like it smooth, peanut butter is an excellent source of protein with 4 grams per tablespoon. Watch the salt though: the USDA recommends choosing unsalted nuts to keep the sodium intake low.
