The correct answer among the choices given is option A. Erythropoietin is the performance-enhancing drugs has the side effect of thickening of the blood. It is present in our body at certain levels because it promotes the production of red blood cells. It i used to treat anemia resulting from kidney failure or cancer treatment.
I believe the answer is: D. They can be stored in the body.
Unlike other similar substance, Fat-soluble vitamins cannot be dissolved in water and would give the best performance when being consumed together with foods with higher fat content.
When the body do not use all the existing fat soluble vitamins, they would be stored within the liver and fatty tissue for future use.
Destroy your body......duhh
If your goal is to find a mentor who can help encourage you the category that it would fall under would probably be Academic