I would say C because you always need to ask a professional before attempting to begin an exercise program.
Crack is a Stimulant drug, so A.
I would best go with choice C) visualization because agility is related to speed and acceleration, and yes you can have strength with agility and u need coordination to be balanced and stay in place as if you were jogging, and visualization means to create or make mental pictures inside your head and that really doesn't go along with agility so that's why its C).
what- anyways, bleach? hydrogen peroxide? baking soda? should I be concerned...
True, because of that's what I do every day :)
Also because if they are positive they are nice to others, so it would be true